72621840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 238841856

約数和(自身を除く): 166220016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 227, 240, 248, 258, 310, 344, 372, 430, 454, 465, 496, 516, 620, 645, 681, 688, 744, 860, 908, 930, 1032, 1135, 1240, 1290, 1333, 1362, 1488, 1720, 1816, 1860, 2064, 2270, 2480, 2580, 2666, 2724, 3405, 3440, 3632, 3720, 3999, 4540, 5160, 5332, 5448, 6665, 6810, 7037, 7440, 7998, 9080, 9761, 10320, 10664, 10896, 13330, 13620, 14074, 15996, 18160, 19522, 19995, 21111, 21328, 26660, 27240, 28148, 29283, 31992, 35185, 39044, 39990, 42222, 48805, 53320, 54480, 56296, 58566, 63984, 70370, 78088, 79980, 84444, 97610, 105555, 106640, 112592, 117132, 140740, 146415, 156176, 159960, 168888, 195220, 211110, 234264, 281480, 292830, 302591, 319920, 337776, 390440, 422220, 468528, 562960, 585660, 605182, 780880, 844440, 907773, 1171320, 1210364, 1512955, 1688880, 1815546, 2342640, 2420728, 3025910, 3631092, 4538865, 4841456, 6051820, 7262184, 9077730, 12103640, 14524368, 18155460, 24207280, 36310920, 72621840]

約数ペア:

[(1, 72621840), (2, 36310920), (3, 24207280), (4, 18155460), (5, 14524368), (6, 12103640), (8, 9077730), (10, 7262184), (12, 6051820), (15, 4841456), (16, 4538865), (20, 3631092), (24, 3025910), (30, 2420728), (31, 2342640), (40, 1815546), (43, 1688880), (48, 1512955), (60, 1210364), (62, 1171320), (80, 907773), (86, 844440), (93, 780880), (120, 605182), (124, 585660), (129, 562960), (155, 468528), (172, 422220), (186, 390440), (215, 337776), (227, 319920), (240, 302591), (248, 292830), (258, 281480), (310, 234264), (344, 211110), (372, 195220), (430, 168888), (454, 159960), (465, 156176), (496, 146415), (516, 140740), (620, 117132), (645, 112592), (681, 106640), (688, 105555), (744, 97610), (860, 84444), (908, 79980), (930, 78088), (1032, 70370), (1135, 63984), (1240, 58566), (1290, 56296), (1333, 54480), (1362, 53320), (1488, 48805), (1720, 42222), (1816, 39990), (1860, 39044), (2064, 35185), (2270, 31992), (2480, 29283), (2580, 28148), (2666, 27240), (2724, 26660), (3405, 21328), (3440, 21111), (3632, 19995), (3720, 19522), (3999, 18160), (4540, 15996), (5160, 14074), (5332, 13620), (5448, 13330), (6665, 10896), (6810, 10664), (7037, 10320), (7440, 9761), (7998, 9080)]