231931680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 192

約数和(自身を含む): 792747648

約数和(自身を除く): 560815968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 96, 102, 120, 129, 136, 160, 170, 172, 204, 215, 240, 255, 258, 272, 340, 344, 408, 430, 480, 510, 516, 544, 645, 661, 680, 688, 731, 816, 860, 1020, 1032, 1290, 1322, 1360, 1376, 1462, 1632, 1720, 1983, 2040, 2064, 2193, 2580, 2644, 2720, 2924, 3305, 3440, 3655, 3966, 4080, 4128, 4386, 5160, 5288, 5848, 6610, 6880, 7310, 7932, 8160, 8772, 9915, 10320, 10576, 10965, 11237, 11696, 13220, 14620, 15864, 17544, 19830, 20640, 21152, 21930, 22474, 23392, 26440, 28423, 29240, 31728, 33711, 35088, 39660, 43860, 44948, 52880, 56185, 56846, 58480, 63456, 67422, 70176, 79320, 85269, 87720, 89896, 105760, 112370, 113692, 116960, 134844, 142115, 158640, 168555, 170538, 175440, 179792, 224740, 227384, 269688, 284230, 317280, 337110, 341076, 350880, 359584, 426345, 449480, 454768, 483191, 539376, 568460, 674220, 682152, 852690, 898960, 909536, 966382, 1078752, 1136920, 1348440, 1364304, 1449573, 1705380, 1797920, 1932764, 2273840, 2415955, 2696880, 2728608, 2899146, 3410760, 3865528, 4547680, 4831910, 5393760, 5798292, 6821520, 7247865, 7731056, 9663820, 11596584, 13643040, 14495730, 15462112, 19327640, 23193168, 28991460, 38655280, 46386336, 57982920, 77310560, 115965840, 231931680]

約数ペア:

[(1, 231931680), (2, 115965840), (3, 77310560), (4, 57982920), (5, 46386336), (6, 38655280), (8, 28991460), (10, 23193168), (12, 19327640), (15, 15462112), (16, 14495730), (17, 13643040), (20, 11596584), (24, 9663820), (30, 7731056), (32, 7247865), (34, 6821520), (40, 5798292), (43, 5393760), (48, 4831910), (51, 4547680), (60, 3865528), (68, 3410760), (80, 2899146), (85, 2728608), (86, 2696880), (96, 2415955), (102, 2273840), (120, 1932764), (129, 1797920), (136, 1705380), (160, 1449573), (170, 1364304), (172, 1348440), (204, 1136920), (215, 1078752), (240, 966382), (255, 909536), (258, 898960), (272, 852690), (340, 682152), (344, 674220), (408, 568460), (430, 539376), (480, 483191), (510, 454768), (516, 449480), (544, 426345), (645, 359584), (661, 350880), (680, 341076), (688, 337110), (731, 317280), (816, 284230), (860, 269688), (1020, 227384), (1032, 224740), (1290, 179792), (1322, 175440), (1360, 170538), (1376, 168555), (1462, 158640), (1632, 142115), (1720, 134844), (1983, 116960), (2040, 113692), (2064, 112370), (2193, 105760), (2580, 89896), (2644, 87720), (2720, 85269), (2924, 79320), (3305, 70176), (3440, 67422), (3655, 63456), (3966, 58480), (4080, 56846), (4128, 56185), (4386, 52880), (5160, 44948), (5288, 43860), (5848, 39660), (6610, 35088), (6880, 33711), (7310, 31728), (7932, 29240), (8160, 28423), (8772, 26440), (9915, 23392), (10320, 22474), (10576, 21930), (10965, 21152), (11237, 20640), (11696, 19830), (13220, 17544), (14620, 15864)]