981241080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:933

約数の個数: 128

約数和(自身を含む): 3026073600

約数和(自身を除く): 2044832520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 397, 430, 479, 516, 645, 794, 860, 958, 1032, 1191, 1290, 1437, 1588, 1720, 1916, 1985, 2382, 2395, 2580, 2874, 3176, 3832, 3970, 4764, 4790, 5160, 5748, 5955, 7185, 7940, 9528, 9580, 11496, 11910, 14370, 15880, 17071, 19160, 20597, 23820, 28740, 34142, 41194, 47640, 51213, 57480, 61791, 68284, 82388, 85355, 102426, 102985, 123582, 136568, 164776, 170710, 190163, 204852, 205970, 247164, 256065, 308955, 341420, 380326, 409704, 411940, 494328, 512130, 570489, 617910, 682840, 760652, 823880, 950815, 1024260, 1140978, 1235820, 1521304, 1901630, 2048520, 2281956, 2471640, 2852445, 3803260, 4563912, 5704890, 7606520, 8177009, 11409780, 16354018, 22819560, 24531027, 32708036, 40885045, 49062054, 65416072, 81770090, 98124108, 122655135, 163540180, 196248216, 245310270, 327080360, 490620540, 981241080]

約数ペア:

[(1, 981241080), (2, 490620540), (3, 327080360), (4, 245310270), (5, 196248216), (6, 163540180), (8, 122655135), (10, 98124108), (12, 81770090), (15, 65416072), (20, 49062054), (24, 40885045), (30, 32708036), (40, 24531027), (43, 22819560), (60, 16354018), (86, 11409780), (120, 8177009), (129, 7606520), (172, 5704890), (215, 4563912), (258, 3803260), (344, 2852445), (397, 2471640), (430, 2281956), (479, 2048520), (516, 1901630), (645, 1521304), (794, 1235820), (860, 1140978), (958, 1024260), (1032, 950815), (1191, 823880), (1290, 760652), (1437, 682840), (1588, 617910), (1720, 570489), (1916, 512130), (1985, 494328), (2382, 411940), (2395, 409704), (2580, 380326), (2874, 341420), (3176, 308955), (3832, 256065), (3970, 247164), (4764, 205970), (4790, 204852), (5160, 190163), (5748, 170710), (5955, 164776), (7185, 136568), (7940, 123582), (9528, 102985), (9580, 102426), (11496, 85355), (11910, 82388), (14370, 68284), (15880, 61791), (17071, 57480), (19160, 51213), (20597, 47640), (23820, 41194), (28740, 34142)]