2790015760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{171799}}^1$

素因数の和:171848

約数の個数: 80

約数和(自身を含む): 7669152000

約数和(自身を除く): 4879136240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 16240, 171799, 343598, 687196, 858995, 1202593, 1374392, 1717990, 2405186, 2748784, 3435980, 4810372, 4982171, 6012965, 6871960, 9620744, 9964342, 12025930, 13743920, 19241488, 19928684, 24051860, 24910855, 34875197, 39857368, 48103720, 49821710, 69750394, 79714736, 96207440, 99643420, 139500788, 174375985, 199286840, 279001576, 348751970, 398573680, 558003152, 697503940, 1395007880, 2790015760]

約数ペア:

[(1, 2790015760), (2, 1395007880), (4, 697503940), (5, 558003152), (7, 398573680), (8, 348751970), (10, 279001576), (14, 199286840), (16, 174375985), (20, 139500788), (28, 99643420), (29, 96207440), (35, 79714736), (40, 69750394), (56, 49821710), (58, 48103720), (70, 39857368), (80, 34875197), (112, 24910855), (116, 24051860), (140, 19928684), (145, 19241488), (203, 13743920), (232, 12025930), (280, 9964342), (290, 9620744), (406, 6871960), (464, 6012965), (560, 4982171), (580, 4810372), (812, 3435980), (1015, 2748784), (1160, 2405186), (1624, 1717990), (2030, 1374392), (2320, 1202593), (3248, 858995), (4060, 687196), (8120, 343598), (16240, 171799)]