136697720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 315187200

約数和(自身を除く): 178489480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 284, 355, 379, 508, 568, 635, 710, 758, 1016, 1270, 1420, 1516, 1895, 2540, 2840, 3032, 3790, 5080, 7580, 9017, 15160, 18034, 26909, 36068, 45085, 48133, 53818, 72136, 90170, 96266, 107636, 134545, 180340, 192532, 215272, 240665, 269090, 360680, 385064, 481330, 538180, 962660, 1076360, 1925320, 3417443, 6834886, 13669772, 17087215, 27339544, 34174430, 68348860, 136697720]

約数ペア:

[(1, 136697720), (2, 68348860), (4, 34174430), (5, 27339544), (8, 17087215), (10, 13669772), (20, 6834886), (40, 3417443), (71, 1925320), (127, 1076360), (142, 962660), (254, 538180), (284, 481330), (355, 385064), (379, 360680), (508, 269090), (568, 240665), (635, 215272), (710, 192532), (758, 180340), (1016, 134545), (1270, 107636), (1420, 96266), (1516, 90170), (1895, 72136), (2540, 53818), (2840, 48133), (3032, 45085), (3790, 36068), (5080, 26909), (7580, 18034), (9017, 15160)]