80770620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 267055488

約数和(自身を除く): 186284868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 83, 84, 98, 105, 140, 147, 166, 196, 210, 245, 249, 294, 331, 332, 415, 420, 490, 498, 581, 588, 662, 735, 830, 980, 993, 996, 1162, 1245, 1324, 1470, 1655, 1660, 1743, 1986, 2317, 2324, 2490, 2905, 2940, 3310, 3486, 3972, 4067, 4634, 4965, 4980, 5810, 6620, 6951, 6972, 8134, 8715, 9268, 9930, 11585, 11620, 12201, 13902, 16219, 16268, 17430, 19860, 20335, 23170, 24402, 27473, 27804, 32438, 34755, 34860, 40670, 46340, 48657, 48804, 54946, 61005, 64876, 69510, 81095, 81340, 82419, 97314, 109892, 122010, 137365, 139020, 162190, 164838, 192311, 194628, 243285, 244020, 274730, 324380, 329676, 384622, 412095, 486570, 549460, 576933, 769244, 824190, 961555, 973140, 1153866, 1346177, 1648380, 1923110, 2307732, 2692354, 2884665, 3846220, 4038531, 5384708, 5769330, 6730885, 8077062, 11538660, 13461770, 16154124, 20192655, 26923540, 40385310, 80770620]

約数ペア:

[(1, 80770620), (2, 40385310), (3, 26923540), (4, 20192655), (5, 16154124), (6, 13461770), (7, 11538660), (10, 8077062), (12, 6730885), (14, 5769330), (15, 5384708), (20, 4038531), (21, 3846220), (28, 2884665), (30, 2692354), (35, 2307732), (42, 1923110), (49, 1648380), (60, 1346177), (70, 1153866), (83, 973140), (84, 961555), (98, 824190), (105, 769244), (140, 576933), (147, 549460), (166, 486570), (196, 412095), (210, 384622), (245, 329676), (249, 324380), (294, 274730), (331, 244020), (332, 243285), (415, 194628), (420, 192311), (490, 164838), (498, 162190), (581, 139020), (588, 137365), (662, 122010), (735, 109892), (830, 97314), (980, 82419), (993, 81340), (996, 81095), (1162, 69510), (1245, 64876), (1324, 61005), (1470, 54946), (1655, 48804), (1660, 48657), (1743, 46340), (1986, 40670), (2317, 34860), (2324, 34755), (2490, 32438), (2905, 27804), (2940, 27473), (3310, 24402), (3486, 23170), (3972, 20335), (4067, 19860), (4634, 17430), (4965, 16268), (4980, 16219), (5810, 13902), (6620, 12201), (6951, 11620), (6972, 11585), (8134, 9930), (8715, 9268)]