1351980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 4979520

約数和(自身を除く): 3627540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 37, 42, 45, 58, 60, 63, 70, 74, 84, 87, 90, 105, 111, 116, 126, 140, 145, 148, 174, 180, 185, 203, 210, 222, 252, 259, 261, 290, 315, 333, 348, 370, 406, 420, 435, 444, 518, 522, 555, 580, 609, 630, 666, 740, 777, 812, 870, 1015, 1036, 1044, 1073, 1110, 1218, 1260, 1295, 1305, 1332, 1554, 1665, 1740, 1827, 2030, 2146, 2220, 2331, 2436, 2590, 2610, 3045, 3108, 3219, 3330, 3654, 3885, 4060, 4292, 4662, 5180, 5220, 5365, 6090, 6438, 6660, 7308, 7511, 7770, 9135, 9324, 9657, 10730, 11655, 12180, 12876, 15022, 15540, 16095, 18270, 19314, 21460, 22533, 23310, 30044, 32190, 36540, 37555, 38628, 45066, 46620, 48285, 64380, 67599, 75110, 90132, 96570, 112665, 135198, 150220, 193140, 225330, 270396, 337995, 450660, 675990, 1351980]

約数ペア:

[(1, 1351980), (2, 675990), (3, 450660), (4, 337995), (5, 270396), (6, 225330), (7, 193140), (9, 150220), (10, 135198), (12, 112665), (14, 96570), (15, 90132), (18, 75110), (20, 67599), (21, 64380), (28, 48285), (29, 46620), (30, 45066), (35, 38628), (36, 37555), (37, 36540), (42, 32190), (45, 30044), (58, 23310), (60, 22533), (63, 21460), (70, 19314), (74, 18270), (84, 16095), (87, 15540), (90, 15022), (105, 12876), (111, 12180), (116, 11655), (126, 10730), (140, 9657), (145, 9324), (148, 9135), (174, 7770), (180, 7511), (185, 7308), (203, 6660), (210, 6438), (222, 6090), (252, 5365), (259, 5220), (261, 5180), (290, 4662), (315, 4292), (333, 4060), (348, 3885), (370, 3654), (406, 3330), (420, 3219), (435, 3108), (444, 3045), (518, 2610), (522, 2590), (555, 2436), (580, 2331), (609, 2220), (630, 2146), (666, 2030), (740, 1827), (777, 1740), (812, 1665), (870, 1554), (1015, 1332), (1036, 1305), (1044, 1295), (1073, 1260), (1110, 1218)]