661468080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1044

約数の個数: 320

約数和(自身を含む): 2607833088

約数和(自身を除く): 1946365008

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, 977, 1040, 1085, 1092, 1209, 1240, 1302, 1365, 1456, 1488, 1560, 1612, 1680, 1736, 1820, 1860, 1954, 2015, 2170, 2184, 2418, 2480, 2604, 2730, 2821, 2931, 3120, 3224, 3255, 3472, 3640, 3720, 3908, 4030, 4340, 4368, 4836, 4885, 5208, 5460, 5642, 5862, 6045, 6448, 6510, 6839, 7280, 7440, 7816, 8060, 8463, 8680, 9672, 9770, 10416, 10920, 11284, 11724, 12090, 12701, 13020, 13678, 14105, 14655, 15632, 16120, 16926, 17360, 19344, 19540, 20517, 21840, 22568, 23448, 24180, 25402, 26040, 27356, 28210, 29310, 30287, 32240, 33852, 34195, 38103, 39080, 41034, 42315, 45136, 46896, 48360, 50804, 52080, 54712, 56420, 58620, 60574, 63505, 67704, 68390, 76206, 78160, 82068, 84630, 88907, 90861, 96720, 101608, 102585, 109424, 112840, 117240, 121148, 127010, 135408, 136780, 151435, 152412, 164136, 169260, 177814, 181722, 190515, 203216, 205170, 212009, 225680, 234480, 242296, 254020, 266721, 273560, 302870, 304824, 328272, 338520, 355628, 363444, 381030, 393731, 410340, 424018, 444535, 454305, 484592, 508040, 533442, 547120, 605740, 609648, 636027, 677040, 711256, 726888, 762060, 787462, 820680, 848036, 889070, 908610, 1016080, 1060045, 1066884, 1181193, 1211480, 1272054, 1333605, 1422512, 1453776, 1524120, 1574924, 1641360, 1696072, 1778140, 1817220, 1968655, 2120090, 2133768, 2362386, 2422960, 2544108, 2667210, 2756117, 3048240, 3149848, 3180135, 3392144, 3556280, 3634440, 3937310, 4240180, 4267536, 4724772, 5088216, 5334420, 5512234, 5905965, 6299696, 6360270, 7112560, 7268880, 7874620, 8268351, 8480360, 9449544, 10176432, 10668840, 11024468, 11811930, 12720540, 13780585, 15749240, 16536702, 16960720, 18899088, 21337680, 22048936, 23623860, 25441080, 27561170, 31498480, 33073404, 41341755, 44097872, 47247720, 50882160, 55122340, 66146808, 82683510, 94495440, 110244680, 132293616, 165367020, 220489360, 330734040, 661468080]

約数ペア:

[(1, 661468080), (2, 330734040), (3, 220489360), (4, 165367020), (5, 132293616), (6, 110244680), (7, 94495440), (8, 82683510), (10, 66146808), (12, 55122340), (13, 50882160), (14, 47247720), (15, 44097872), (16, 41341755), (20, 33073404), (21, 31498480), (24, 27561170), (26, 25441080), (28, 23623860), (30, 22048936), (31, 21337680), (35, 18899088), (39, 16960720), (40, 16536702), (42, 15749240), (48, 13780585), (52, 12720540), (56, 11811930), (60, 11024468), (62, 10668840), (65, 10176432), (70, 9449544), (78, 8480360), (80, 8268351), (84, 7874620), (91, 7268880), (93, 7112560), (104, 6360270), (105, 6299696), (112, 5905965), (120, 5512234), (124, 5334420), (130, 5088216), (140, 4724772), (155, 4267536), (156, 4240180), (168, 3937310), (182, 3634440), (186, 3556280), (195, 3392144), (208, 3180135), (210, 3149848), (217, 3048240), (240, 2756117), (248, 2667210), (260, 2544108), (273, 2422960), (280, 2362386), (310, 2133768), (312, 2120090), (336, 1968655), (364, 1817220), (372, 1778140), (390, 1696072), (403, 1641360), (420, 1574924), (434, 1524120), (455, 1453776), (465, 1422512), (496, 1333605), (520, 1272054), (546, 1211480), (560, 1181193), (620, 1066884), (624, 1060045), (651, 1016080), (728, 908610), (744, 889070), (780, 848036), (806, 820680), (840, 787462), (868, 762060), (910, 726888), (930, 711256), (977, 677040), (1040, 636027), (1085, 609648), (1092, 605740), (1209, 547120), (1240, 533442), (1302, 508040), (1365, 484592), (1456, 454305), (1488, 444535), (1560, 424018), (1612, 410340), (1680, 393731), (1736, 381030), (1820, 363444), (1860, 355628), (1954, 338520), (2015, 328272), (2170, 304824), (2184, 302870), (2418, 273560), (2480, 266721), (2604, 254020), (2730, 242296), (2821, 234480), (2931, 225680), (3120, 212009), (3224, 205170), (3255, 203216), (3472, 190515), (3640, 181722), (3720, 177814), (3908, 169260), (4030, 164136), (4340, 152412), (4368, 151435), (4836, 136780), (4885, 135408), (5208, 127010), (5460, 121148), (5642, 117240), (5862, 112840), (6045, 109424), (6448, 102585), (6510, 101608), (6839, 96720), (7280, 90861), (7440, 88907), (7816, 84630), (8060, 82068), (8463, 78160), (8680, 76206), (9672, 68390), (9770, 67704), (10416, 63505), (10920, 60574), (11284, 58620), (11724, 56420), (12090, 54712), (12701, 52080), (13020, 50804), (13678, 48360), (14105, 46896), (14655, 45136), (15632, 42315), (16120, 41034), (16926, 39080), (17360, 38103), (19344, 34195), (19540, 33852), (20517, 32240), (21840, 30287), (22568, 29310), (23448, 28210), (24180, 27356), (25402, 26040)]