642328680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1520

約数の個数: 256

約数和(自身を含む): 2408693760

約数和(自身を除く): 1766365080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 31, 34, 35, 40, 42, 51, 56, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 120, 124, 136, 140, 155, 168, 170, 186, 204, 210, 217, 238, 248, 255, 280, 310, 340, 357, 372, 408, 420, 434, 465, 476, 510, 527, 595, 620, 651, 680, 714, 744, 840, 868, 930, 952, 1020, 1054, 1085, 1190, 1240, 1302, 1428, 1451, 1581, 1736, 1785, 1860, 2040, 2108, 2170, 2380, 2604, 2635, 2856, 2902, 3162, 3255, 3570, 3689, 3720, 4216, 4340, 4353, 4760, 5208, 5270, 5804, 6324, 6510, 7140, 7255, 7378, 7905, 8680, 8706, 10157, 10540, 11067, 11608, 12648, 13020, 14280, 14510, 14756, 15810, 17412, 18445, 20314, 21080, 21765, 22134, 24667, 26040, 29020, 29512, 30471, 31620, 34824, 36890, 40628, 43530, 44268, 44981, 49334, 50785, 55335, 58040, 60942, 63240, 73780, 74001, 81256, 87060, 88536, 89962, 98668, 101570, 110670, 121884, 123335, 134943, 147560, 148002, 152355, 172669, 174120, 179924, 197336, 203140, 221340, 224905, 243768, 246670, 269886, 296004, 304710, 314867, 345338, 359848, 370005, 406280, 442680, 449810, 493340, 518007, 539772, 592008, 609420, 629734, 674715, 690676, 740010, 764677, 863345, 899620, 944601, 986680, 1036014, 1079544, 1218840, 1259468, 1349430, 1381352, 1480020, 1529354, 1574335, 1726690, 1799240, 1889202, 2072028, 2294031, 2518936, 2590035, 2698860, 2960040, 3058708, 3148670, 3453380, 3778404, 3823385, 4144056, 4588062, 4723005, 5180070, 5352739, 5397720, 6117416, 6297340, 6906760, 7556808, 7646770, 9176124, 9446010, 10360140, 10705478, 11470155, 12594680, 15293540, 16058217, 18352248, 18892020, 20720280, 21410956, 22940310, 26763695, 30587080, 32116434, 37784040, 42821912, 45880620, 53527390, 64232868, 80291085, 91761240, 107054780, 128465736, 160582170, 214109560, 321164340, 642328680]

約数ペア:

[(1, 642328680), (2, 321164340), (3, 214109560), (4, 160582170), (5, 128465736), (6, 107054780), (7, 91761240), (8, 80291085), (10, 64232868), (12, 53527390), (14, 45880620), (15, 42821912), (17, 37784040), (20, 32116434), (21, 30587080), (24, 26763695), (28, 22940310), (30, 21410956), (31, 20720280), (34, 18892020), (35, 18352248), (40, 16058217), (42, 15293540), (51, 12594680), (56, 11470155), (60, 10705478), (62, 10360140), (68, 9446010), (70, 9176124), (84, 7646770), (85, 7556808), (93, 6906760), (102, 6297340), (105, 6117416), (119, 5397720), (120, 5352739), (124, 5180070), (136, 4723005), (140, 4588062), (155, 4144056), (168, 3823385), (170, 3778404), (186, 3453380), (204, 3148670), (210, 3058708), (217, 2960040), (238, 2698860), (248, 2590035), (255, 2518936), (280, 2294031), (310, 2072028), (340, 1889202), (357, 1799240), (372, 1726690), (408, 1574335), (420, 1529354), (434, 1480020), (465, 1381352), (476, 1349430), (510, 1259468), (527, 1218840), (595, 1079544), (620, 1036014), (651, 986680), (680, 944601), (714, 899620), (744, 863345), (840, 764677), (868, 740010), (930, 690676), (952, 674715), (1020, 629734), (1054, 609420), (1085, 592008), (1190, 539772), (1240, 518007), (1302, 493340), (1428, 449810), (1451, 442680), (1581, 406280), (1736, 370005), (1785, 359848), (1860, 345338), (2040, 314867), (2108, 304710), (2170, 296004), (2380, 269886), (2604, 246670), (2635, 243768), (2856, 224905), (2902, 221340), (3162, 203140), (3255, 197336), (3570, 179924), (3689, 174120), (3720, 172669), (4216, 152355), (4340, 148002), (4353, 147560), (4760, 134943), (5208, 123335), (5270, 121884), (5804, 110670), (6324, 101570), (6510, 98668), (7140, 89962), (7255, 88536), (7378, 87060), (7905, 81256), (8680, 74001), (8706, 73780), (10157, 63240), (10540, 60942), (11067, 58040), (11608, 55335), (12648, 50785), (13020, 49334), (14280, 44981), (14510, 44268), (14756, 43530), (15810, 40628), (17412, 36890), (18445, 34824), (20314, 31620), (21080, 30471), (21765, 29512), (22134, 29020), (24667, 26040)]