638536080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 320

約数和(自身を含む): 2464842240

約数和(自身を除く): 1826306160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 169, 173, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 338, 346, 364, 390, 420, 455, 507, 519, 520, 546, 560, 624, 676, 692, 728, 780, 840, 845, 865, 910, 1014, 1038, 1040, 1092, 1183, 1211, 1352, 1365, 1384, 1456, 1560, 1680, 1690, 1730, 1820, 2028, 2076, 2184, 2197, 2249, 2366, 2422, 2535, 2595, 2704, 2730, 2768, 3120, 3380, 3460, 3549, 3633, 3640, 4056, 4152, 4368, 4394, 4498, 4732, 4844, 5070, 5190, 5460, 5915, 6055, 6591, 6747, 6760, 6920, 7098, 7266, 7280, 8112, 8304, 8788, 8996, 9464, 9688, 10140, 10380, 10920, 10985, 11245, 11830, 12110, 13182, 13494, 13520, 13840, 14196, 14532, 15379, 15743, 17576, 17745, 17992, 18165, 18928, 19376, 20280, 20760, 21840, 21970, 22490, 23660, 24220, 26364, 26988, 28392, 29064, 29237, 30758, 31486, 32955, 33735, 35152, 35490, 35984, 36330, 40560, 41520, 43940, 44980, 46137, 47229, 47320, 48440, 52728, 53976, 56784, 58128, 58474, 61516, 62972, 65910, 67470, 70980, 72660, 76895, 78715, 87711, 87880, 89960, 92274, 94458, 94640, 96880, 105456, 107952, 116948, 123032, 125944, 131820, 134940, 141960, 145320, 146185, 153790, 157430, 175422, 175760, 179920, 184548, 188916, 204659, 230685, 233896, 236145, 246064, 251888, 263640, 269880, 283920, 290640, 292370, 307580, 314860, 350844, 369096, 377832, 380081, 409318, 438555, 461370, 467792, 472290, 527280, 539760, 584740, 613977, 615160, 629720, 701688, 738192, 755664, 760162, 818636, 877110, 922740, 944580, 1023295, 1140243, 1169480, 1227954, 1230320, 1259440, 1403376, 1520324, 1637272, 1754220, 1845480, 1889160, 1900405, 2046590, 2280486, 2338960, 2455908, 2660567, 3040648, 3069885, 3274544, 3508440, 3690960, 3778320, 3800810, 4093180, 4560972, 4911816, 5321134, 5701215, 6081296, 6139770, 7016880, 7601620, 7981701, 8186360, 9121944, 9823632, 10642268, 11402430, 12279540, 13302835, 15203240, 15963402, 16372720, 18243888, 21284536, 22804860, 24559080, 26605670, 30406480, 31926804, 39908505, 42569072, 45609720, 49118160, 53211340, 63853608, 79817010, 91219440, 106422680, 127707216, 159634020, 212845360, 319268040, 638536080]

約数ペア:

[(1, 638536080), (2, 319268040), (3, 212845360), (4, 159634020), (5, 127707216), (6, 106422680), (7, 91219440), (8, 79817010), (10, 63853608), (12, 53211340), (13, 49118160), (14, 45609720), (15, 42569072), (16, 39908505), (20, 31926804), (21, 30406480), (24, 26605670), (26, 24559080), (28, 22804860), (30, 21284536), (35, 18243888), (39, 16372720), (40, 15963402), (42, 15203240), (48, 13302835), (52, 12279540), (56, 11402430), (60, 10642268), (65, 9823632), (70, 9121944), (78, 8186360), (80, 7981701), (84, 7601620), (91, 7016880), (104, 6139770), (105, 6081296), (112, 5701215), (120, 5321134), (130, 4911816), (140, 4560972), (156, 4093180), (168, 3800810), (169, 3778320), (173, 3690960), (182, 3508440), (195, 3274544), (208, 3069885), (210, 3040648), (240, 2660567), (260, 2455908), (273, 2338960), (280, 2280486), (312, 2046590), (336, 1900405), (338, 1889160), (346, 1845480), (364, 1754220), (390, 1637272), (420, 1520324), (455, 1403376), (507, 1259440), (519, 1230320), (520, 1227954), (546, 1169480), (560, 1140243), (624, 1023295), (676, 944580), (692, 922740), (728, 877110), (780, 818636), (840, 760162), (845, 755664), (865, 738192), (910, 701688), (1014, 629720), (1038, 615160), (1040, 613977), (1092, 584740), (1183, 539760), (1211, 527280), (1352, 472290), (1365, 467792), (1384, 461370), (1456, 438555), (1560, 409318), (1680, 380081), (1690, 377832), (1730, 369096), (1820, 350844), (2028, 314860), (2076, 307580), (2184, 292370), (2197, 290640), (2249, 283920), (2366, 269880), (2422, 263640), (2535, 251888), (2595, 246064), (2704, 236145), (2730, 233896), (2768, 230685), (3120, 204659), (3380, 188916), (3460, 184548), (3549, 179920), (3633, 175760), (3640, 175422), (4056, 157430), (4152, 153790), (4368, 146185), (4394, 145320), (4498, 141960), (4732, 134940), (4844, 131820), (5070, 125944), (5190, 123032), (5460, 116948), (5915, 107952), (6055, 105456), (6591, 96880), (6747, 94640), (6760, 94458), (6920, 92274), (7098, 89960), (7266, 87880), (7280, 87711), (8112, 78715), (8304, 76895), (8788, 72660), (8996, 70980), (9464, 67470), (9688, 65910), (10140, 62972), (10380, 61516), (10920, 58474), (10985, 58128), (11245, 56784), (11830, 53976), (12110, 52728), (13182, 48440), (13494, 47320), (13520, 47229), (13840, 46137), (14196, 44980), (14532, 43940), (15379, 41520), (15743, 40560), (17576, 36330), (17745, 35984), (17992, 35490), (18165, 35152), (18928, 33735), (19376, 32955), (20280, 31486), (20760, 30758), (21840, 29237), (21970, 29064), (22490, 28392), (23660, 26988), (24220, 26364)]