121920540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{877}}^1$

素因数の和:1227

約数の個数: 96

約数和(自身を含む): 391770624

約数和(自身を除く): 269850084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 331, 420, 662, 877, 993, 1324, 1655, 1754, 1986, 2317, 2631, 3310, 3508, 3972, 4385, 4634, 4965, 5262, 6139, 6620, 6951, 8770, 9268, 9930, 10524, 11585, 12278, 13155, 13902, 17540, 18417, 19860, 23170, 24556, 26310, 27804, 30695, 34755, 36834, 46340, 52620, 61390, 69510, 73668, 92085, 122780, 139020, 184170, 290287, 368340, 580574, 870861, 1161148, 1451435, 1741722, 2032009, 2902870, 3483444, 4064018, 4354305, 5805740, 6096027, 8128036, 8708610, 10160045, 12192054, 17417220, 20320090, 24384108, 30480135, 40640180, 60960270, 121920540]

約数ペア:

[(1, 121920540), (2, 60960270), (3, 40640180), (4, 30480135), (5, 24384108), (6, 20320090), (7, 17417220), (10, 12192054), (12, 10160045), (14, 8708610), (15, 8128036), (20, 6096027), (21, 5805740), (28, 4354305), (30, 4064018), (35, 3483444), (42, 2902870), (60, 2032009), (70, 1741722), (84, 1451435), (105, 1161148), (140, 870861), (210, 580574), (331, 368340), (420, 290287), (662, 184170), (877, 139020), (993, 122780), (1324, 92085), (1655, 73668), (1754, 69510), (1986, 61390), (2317, 52620), (2631, 46340), (3310, 36834), (3508, 34755), (3972, 30695), (4385, 27804), (4634, 26310), (4965, 24556), (5262, 23170), (6139, 19860), (6620, 18417), (6951, 17540), (8770, 13902), (9268, 13155), (9930, 12278), (10524, 11585)]