2179921860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{1721}}^1$

素因数の和:1994

約数の個数: 144

約数和(自身を含む): 6859786752

約数和(自身を除く): 4679864892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 227, 279, 310, 372, 454, 465, 558, 620, 681, 908, 930, 1116, 1135, 1362, 1395, 1721, 1860, 2043, 2270, 2724, 2790, 3405, 3442, 4086, 4540, 5163, 5580, 6810, 6884, 7037, 8172, 8605, 10215, 10326, 13620, 14074, 15489, 17210, 20430, 20652, 21111, 25815, 28148, 30978, 34420, 35185, 40860, 42222, 51630, 53351, 61956, 63333, 70370, 77445, 84444, 103260, 105555, 106702, 126666, 140740, 154890, 160053, 211110, 213404, 253332, 266755, 309780, 316665, 320106, 390667, 422220, 480159, 533510, 633330, 640212, 781334, 800265, 960318, 1067020, 1172001, 1266660, 1562668, 1600530, 1920636, 1953335, 2344002, 2400795, 3201060, 3516003, 3906670, 4688004, 4801590, 5860005, 7032006, 7813340, 9603180, 11720010, 12110677, 14064012, 17580015, 23440020, 24221354, 35160030, 36332031, 48442708, 60553385, 70320060, 72664062, 108996093, 121106770, 145328124, 181660155, 217992186, 242213540, 363320310, 435984372, 544980465, 726640620, 1089960930, 2179921860]

約数ペア:

[(1, 2179921860), (2, 1089960930), (3, 726640620), (4, 544980465), (5, 435984372), (6, 363320310), (9, 242213540), (10, 217992186), (12, 181660155), (15, 145328124), (18, 121106770), (20, 108996093), (30, 72664062), (31, 70320060), (36, 60553385), (45, 48442708), (60, 36332031), (62, 35160030), (90, 24221354), (93, 23440020), (124, 17580015), (155, 14064012), (180, 12110677), (186, 11720010), (227, 9603180), (279, 7813340), (310, 7032006), (372, 5860005), (454, 4801590), (465, 4688004), (558, 3906670), (620, 3516003), (681, 3201060), (908, 2400795), (930, 2344002), (1116, 1953335), (1135, 1920636), (1362, 1600530), (1395, 1562668), (1721, 1266660), (1860, 1172001), (2043, 1067020), (2270, 960318), (2724, 800265), (2790, 781334), (3405, 640212), (3442, 633330), (4086, 533510), (4540, 480159), (5163, 422220), (5580, 390667), (6810, 320106), (6884, 316665), (7037, 309780), (8172, 266755), (8605, 253332), (10215, 213404), (10326, 211110), (13620, 160053), (14074, 154890), (15489, 140740), (17210, 126666), (20430, 106702), (20652, 105555), (21111, 103260), (25815, 84444), (28148, 77445), (30978, 70370), (34420, 63333), (35185, 61956), (40860, 53351), (42222, 51630)]