1337960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 3386880

約数和(自身を除く): 2048920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 83, 104, 124, 130, 155, 166, 248, 260, 310, 332, 403, 415, 520, 620, 664, 806, 830, 1079, 1240, 1612, 1660, 2015, 2158, 2573, 3224, 3320, 4030, 4316, 5146, 5395, 8060, 8632, 10292, 10790, 12865, 16120, 20584, 21580, 25730, 33449, 43160, 51460, 66898, 102920, 133796, 167245, 267592, 334490, 668980, 1337960]

約数ペア:

[(1, 1337960), (2, 668980), (4, 334490), (5, 267592), (8, 167245), (10, 133796), (13, 102920), (20, 66898), (26, 51460), (31, 43160), (40, 33449), (52, 25730), (62, 21580), (65, 20584), (83, 16120), (104, 12865), (124, 10790), (130, 10292), (155, 8632), (166, 8060), (248, 5395), (260, 5146), (310, 4316), (332, 4030), (403, 3320), (415, 3224), (520, 2573), (620, 2158), (664, 2015), (806, 1660), (830, 1612), (1079, 1240)]