18400920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 40696680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 113, 115, 118, 120, 138, 177, 184, 226, 230, 236, 276, 295, 339, 345, 354, 452, 460, 472, 552, 565, 590, 678, 690, 708, 885, 904, 920, 1130, 1180, 1356, 1357, 1380, 1416, 1695, 1770, 2260, 2360, 2599, 2712, 2714, 2760, 3390, 3540, 4071, 4520, 5198, 5428, 6667, 6780, 6785, 7080, 7797, 8142, 10396, 10856, 12995, 13334, 13560, 13570, 15594, 16284, 20001, 20355, 20792, 25990, 26668, 27140, 31188, 32568, 33335, 38985, 40002, 40710, 51980, 53336, 54280, 62376, 66670, 77970, 80004, 81420, 100005, 103960, 133340, 153341, 155940, 160008, 162840, 200010, 266680, 306682, 311880, 400020, 460023, 613364, 766705, 800040, 920046, 1226728, 1533410, 1840092, 2300115, 3066820, 3680184, 4600230, 6133640, 9200460, 18400920]

約数ペア:

[(1, 18400920), (2, 9200460), (3, 6133640), (4, 4600230), (5, 3680184), (6, 3066820), (8, 2300115), (10, 1840092), (12, 1533410), (15, 1226728), (20, 920046), (23, 800040), (24, 766705), (30, 613364), (40, 460023), (46, 400020), (59, 311880), (60, 306682), (69, 266680), (92, 200010), (113, 162840), (115, 160008), (118, 155940), (120, 153341), (138, 133340), (177, 103960), (184, 100005), (226, 81420), (230, 80004), (236, 77970), (276, 66670), (295, 62376), (339, 54280), (345, 53336), (354, 51980), (452, 40710), (460, 40002), (472, 38985), (552, 33335), (565, 32568), (590, 31188), (678, 27140), (690, 26668), (708, 25990), (885, 20792), (904, 20355), (920, 20001), (1130, 16284), (1180, 15594), (1356, 13570), (1357, 13560), (1380, 13334), (1416, 12995), (1695, 10856), (1770, 10396), (2260, 8142), (2360, 7797), (2599, 7080), (2712, 6785), (2714, 6780), (2760, 6667), (3390, 5428), (3540, 5198), (4071, 4520)]