551031240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4643}}^1$

素因数の和:4723

約数の個数: 128

約数和(自身を含む): 1765463040

約数和(自身を除く): 1214431800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1380, 1720, 1978, 2580, 2760, 2967, 3956, 4643, 4945, 5160, 5934, 7912, 9286, 9890, 11868, 13929, 14835, 18572, 19780, 23215, 23736, 27858, 29670, 37144, 39560, 46430, 55716, 59340, 69645, 92860, 106789, 111432, 118680, 139290, 185720, 199649, 213578, 278580, 320367, 399298, 427156, 533945, 557160, 598947, 640734, 798596, 854312, 998245, 1067890, 1197894, 1281468, 1597192, 1601835, 1996490, 2135780, 2395788, 2562936, 2994735, 3203670, 3992980, 4271560, 4591927, 4791576, 5989470, 6407340, 7985960, 9183854, 11978940, 12814680, 13775781, 18367708, 22959635, 23957880, 27551562, 36735416, 45919270, 55103124, 68878905, 91838540, 110206248, 137757810, 183677080, 275515620, 551031240]

約数ペア:

[(1, 551031240), (2, 275515620), (3, 183677080), (4, 137757810), (5, 110206248), (6, 91838540), (8, 68878905), (10, 55103124), (12, 45919270), (15, 36735416), (20, 27551562), (23, 23957880), (24, 22959635), (30, 18367708), (40, 13775781), (43, 12814680), (46, 11978940), (60, 9183854), (69, 7985960), (86, 6407340), (92, 5989470), (115, 4791576), (120, 4591927), (129, 4271560), (138, 3992980), (172, 3203670), (184, 2994735), (215, 2562936), (230, 2395788), (258, 2135780), (276, 1996490), (344, 1601835), (345, 1597192), (430, 1281468), (460, 1197894), (516, 1067890), (552, 998245), (645, 854312), (690, 798596), (860, 640734), (920, 598947), (989, 557160), (1032, 533945), (1290, 427156), (1380, 399298), (1720, 320367), (1978, 278580), (2580, 213578), (2760, 199649), (2967, 185720), (3956, 139290), (4643, 118680), (4945, 111432), (5160, 106789), (5934, 92860), (7912, 69645), (9286, 59340), (9890, 55716), (11868, 46430), (13929, 39560), (14835, 37144), (18572, 29670), (19780, 27858), (23215, 23736)]