123308120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2857}}^1$

素因数の和:2964

約数の個数: 64

約数和(自身を含む): 302490720

約数和(自身を除く): 179182600

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, 2857, 3320, 4316, 5395, 5714, 8632, 10790, 11428, 14285, 21580, 22856, 28570, 37141, 43160, 57140, 74282, 114280, 148564, 185705, 237131, 297128, 371410, 474262, 742820, 948524, 1185655, 1485640, 1897048, 2371310, 3082703, 4742620, 6165406, 9485240, 12330812, 15413515, 24661624, 30827030, 61654060, 123308120]

約数ペア:

[(1, 123308120), (2, 61654060), (4, 30827030), (5, 24661624), (8, 15413515), (10, 12330812), (13, 9485240), (20, 6165406), (26, 4742620), (40, 3082703), (52, 2371310), (65, 1897048), (83, 1485640), (104, 1185655), (130, 948524), (166, 742820), (260, 474262), (332, 371410), (415, 297128), (520, 237131), (664, 185705), (830, 148564), (1079, 114280), (1660, 74282), (2158, 57140), (2857, 43160), (3320, 37141), (4316, 28570), (5395, 22856), (5714, 21580), (8632, 14285), (10790, 11428)]