19491304560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28789}}^1$

素因数の和:28856

約数の個数: 320

約数和(自身を含む): 76768419840

約数和(自身を除く): 57277115280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 48, 52, 56, 60, 62, 65, 70, 78, 80, 84, 91, 93, 104, 105, 112, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 208, 210, 217, 240, 248, 260, 273, 280, 310, 312, 336, 364, 372, 390, 403, 420, 434, 455, 465, 496, 520, 546, 560, 620, 624, 651, 728, 744, 780, 806, 840, 868, 910, 930, 1040, 1085, 1092, 1209, 1240, 1302, 1365, 1456, 1488, 1560, 1612, 1680, 1736, 1820, 1860, 2015, 2170, 2184, 2418, 2480, 2604, 2730, 2821, 3120, 3224, 3255, 3472, 3640, 3720, 4030, 4340, 4368, 4836, 5208, 5460, 5642, 6045, 6448, 6510, 7280, 7440, 8060, 8463, 8680, 9672, 10416, 10920, 11284, 12090, 13020, 14105, 16120, 16926, 17360, 19344, 21840, 22568, 24180, 26040, 28210, 28789, 32240, 33852, 42315, 45136, 48360, 52080, 56420, 57578, 67704, 84630, 86367, 96720, 112840, 115156, 135408, 143945, 169260, 172734, 201523, 225680, 230312, 287890, 338520, 345468, 374257, 403046, 431835, 460624, 575780, 604569, 677040, 690936, 748514, 806092, 863670, 892459, 1007615, 1122771, 1151560, 1209138, 1381872, 1497028, 1612184, 1727340, 1784918, 1871285, 2015230, 2245542, 2303120, 2418276, 2619799, 2677377, 2994056, 3022845, 3224368, 3454680, 3569836, 3742570, 4030460, 4462295, 4491084, 4836552, 5239598, 5354754, 5613855, 5988112, 6045690, 6247213, 6909360, 7139672, 7485140, 7859397, 8060920, 8924590, 8982168, 9673104, 10479196, 10709508, 11227710, 11601967, 12091380, 12494426, 13098995, 13386885, 14279344, 14970280, 15718794, 16121840, 17849180, 17964336, 18741639, 20958392, 21419016, 22455420, 23203934, 24182760, 24988852, 26197990, 26773770, 29940560, 31236065, 31437588, 34805901, 35698360, 37483278, 39296985, 41916784, 42838032, 44910840, 46407868, 48365520, 49977704, 52395980, 53547540, 58009835, 62472130, 62875176, 69611802, 71396720, 74966556, 78593970, 81213769, 89821680, 92815736, 93708195, 99955408, 104791960, 107095080, 116019670, 124944260, 125750352, 139223604, 149933112, 157187940, 162427538, 174029505, 185631472, 187416390, 209583920, 214190160, 232039340, 243641307, 249888520, 278447208, 299866224, 314375880, 324855076, 348059010, 374832780, 406068845, 464078680, 487282614, 499777040, 556894416, 628751760, 649710152, 696118020, 749665560, 812137690, 928157360, 974565228, 1218206535, 1299420304, 1392236040, 1499331120, 1624275380, 1949130456, 2436413070, 2784472080, 3248550760, 3898260912, 4872826140, 6497101520, 9745652280, 19491304560]

約数ペア:

[(1, 19491304560), (2, 9745652280), (3, 6497101520), (4, 4872826140), (5, 3898260912), (6, 3248550760), (7, 2784472080), (8, 2436413070), (10, 1949130456), (12, 1624275380), (13, 1499331120), (14, 1392236040), (15, 1299420304), (16, 1218206535), (20, 974565228), (21, 928157360), (24, 812137690), (26, 749665560), (28, 696118020), (30, 649710152), (31, 628751760), (35, 556894416), (39, 499777040), (40, 487282614), (42, 464078680), (48, 406068845), (52, 374832780), (56, 348059010), (60, 324855076), (62, 314375880), (65, 299866224), (70, 278447208), (78, 249888520), (80, 243641307), (84, 232039340), (91, 214190160), (93, 209583920), (104, 187416390), (105, 185631472), (112, 174029505), (120, 162427538), (124, 157187940), (130, 149933112), (140, 139223604), (155, 125750352), (156, 124944260), (168, 116019670), (182, 107095080), (186, 104791960), (195, 99955408), (208, 93708195), (210, 92815736), (217, 89821680), (240, 81213769), (248, 78593970), (260, 74966556), (273, 71396720), (280, 69611802), (310, 62875176), (312, 62472130), (336, 58009835), (364, 53547540), (372, 52395980), (390, 49977704), (403, 48365520), (420, 46407868), (434, 44910840), (455, 42838032), (465, 41916784), (496, 39296985), (520, 37483278), (546, 35698360), (560, 34805901), (620, 31437588), (624, 31236065), (651, 29940560), (728, 26773770), (744, 26197990), (780, 24988852), (806, 24182760), (840, 23203934), (868, 22455420), (910, 21419016), (930, 20958392), (1040, 18741639), (1085, 17964336), (1092, 17849180), (1209, 16121840), (1240, 15718794), (1302, 14970280), (1365, 14279344), (1456, 13386885), (1488, 13098995), (1560, 12494426), (1612, 12091380), (1680, 11601967), (1736, 11227710), (1820, 10709508), (1860, 10479196), (2015, 9673104), (2170, 8982168), (2184, 8924590), (2418, 8060920), (2480, 7859397), (2604, 7485140), (2730, 7139672), (2821, 6909360), (3120, 6247213), (3224, 6045690), (3255, 5988112), (3472, 5613855), (3640, 5354754), (3720, 5239598), (4030, 4836552), (4340, 4491084), (4368, 4462295), (4836, 4030460), (5208, 3742570), (5460, 3569836), (5642, 3454680), (6045, 3224368), (6448, 3022845), (6510, 2994056), (7280, 2677377), (7440, 2619799), (8060, 2418276), (8463, 2303120), (8680, 2245542), (9672, 2015230), (10416, 1871285), (10920, 1784918), (11284, 1727340), (12090, 1612184), (13020, 1497028), (14105, 1381872), (16120, 1209138), (16926, 1151560), (17360, 1122771), (19344, 1007615), (21840, 892459), (22568, 863670), (24180, 806092), (26040, 748514), (28210, 690936), (28789, 677040), (32240, 604569), (33852, 575780), (42315, 460624), (45136, 431835), (48360, 403046), (52080, 374257), (56420, 345468), (57578, 338520), (67704, 287890), (84630, 230312), (86367, 225680), (96720, 201523), (112840, 172734), (115156, 169260), (135408, 143945)]