990245250

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:727

約数の個数: 160

約数和(自身を含む): 2808748800

約数和(自身を除く): 1818503550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 79, 81, 90, 125, 135, 150, 158, 162, 225, 237, 250, 270, 375, 395, 405, 450, 474, 619, 675, 711, 750, 790, 810, 1125, 1185, 1238, 1350, 1422, 1857, 1975, 2025, 2133, 2250, 2370, 3095, 3375, 3555, 3714, 3950, 4050, 4266, 5571, 5925, 6190, 6399, 6750, 7110, 9285, 9875, 10125, 10665, 11142, 11850, 12798, 15475, 16713, 17775, 18570, 19750, 20250, 21330, 27855, 29625, 30950, 31995, 33426, 35550, 46425, 48901, 50139, 53325, 55710, 59250, 63990, 77375, 83565, 88875, 92850, 97802, 100278, 106650, 139275, 146703, 154750, 159975, 167130, 177750, 232125, 244505, 250695, 266625, 278550, 293406, 319950, 417825, 440109, 464250, 489010, 501390, 533250, 696375, 733515, 799875, 835650, 880218, 1222525, 1253475, 1320327, 1392750, 1467030, 1599750, 2089125, 2200545, 2445050, 2506950, 2640654, 3667575, 3960981, 4178250, 4401090, 6112625, 6267375, 6601635, 7335150, 7921962, 11002725, 12225250, 12534750, 13203270, 18337875, 19804905, 22005450, 33008175, 36675750, 39609810, 55013625, 66016350, 99024525, 110027250, 165040875, 198049050, 330081750, 495122625, 990245250]

約数ペア:

[(1, 990245250), (2, 495122625), (3, 330081750), (5, 198049050), (6, 165040875), (9, 110027250), (10, 99024525), (15, 66016350), (18, 55013625), (25, 39609810), (27, 36675750), (30, 33008175), (45, 22005450), (50, 19804905), (54, 18337875), (75, 13203270), (79, 12534750), (81, 12225250), (90, 11002725), (125, 7921962), (135, 7335150), (150, 6601635), (158, 6267375), (162, 6112625), (225, 4401090), (237, 4178250), (250, 3960981), (270, 3667575), (375, 2640654), (395, 2506950), (405, 2445050), (450, 2200545), (474, 2089125), (619, 1599750), (675, 1467030), (711, 1392750), (750, 1320327), (790, 1253475), (810, 1222525), (1125, 880218), (1185, 835650), (1238, 799875), (1350, 733515), (1422, 696375), (1857, 533250), (1975, 501390), (2025, 489010), (2133, 464250), (2250, 440109), (2370, 417825), (3095, 319950), (3375, 293406), (3555, 278550), (3714, 266625), (3950, 250695), (4050, 244505), (4266, 232125), (5571, 177750), (5925, 167130), (6190, 159975), (6399, 154750), (6750, 146703), (7110, 139275), (9285, 106650), (9875, 100278), (10125, 97802), (10665, 92850), (11142, 88875), (11850, 83565), (12798, 77375), (15475, 63990), (16713, 59250), (17775, 55710), (18570, 53325), (19750, 50139), (20250, 48901), (21330, 46425), (27855, 35550), (29625, 33426), (30950, 31995)]