1212234920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{28087}}^1$

素因数の和:28194

約数の個数: 64

約数和(自身を含む): 2972833920

約数和(自身を除く): 1760599000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 2158, 3320, 4316, 5395, 8632, 10790, 21580, 28087, 43160, 56174, 112348, 140435, 224696, 280870, 365131, 561740, 730262, 1123480, 1460524, 1825655, 2331221, 2921048, 3651310, 4662442, 7302620, 9324884, 11656105, 14605240, 18649768, 23312210, 30305873, 46624420, 60611746, 93248840, 121223492, 151529365, 242446984, 303058730, 606117460, 1212234920]

約数ペア:

[(1, 1212234920), (2, 606117460), (4, 303058730), (5, 242446984), (8, 151529365), (10, 121223492), (13, 93248840), (20, 60611746), (26, 46624420), (40, 30305873), (52, 23312210), (65, 18649768), (83, 14605240), (104, 11656105), (130, 9324884), (166, 7302620), (260, 4662442), (332, 3651310), (415, 2921048), (520, 2331221), (664, 1825655), (830, 1460524), (1079, 1123480), (1660, 730262), (2158, 561740), (3320, 365131), (4316, 280870), (5395, 224696), (8632, 140435), (10790, 112348), (21580, 56174), (28087, 43160)]