640936740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{159437}}^1$

素因数の和:159516

約数の個数: 48

約数和(自身を含む): 1821419712

約数和(自身を除く): 1180482972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 159437, 318874, 478311, 637748, 797185, 956622, 1594370, 1913244, 2391555, 3188740, 4783110, 9566220, 10682279, 21364558, 32046837, 42729116, 53411395, 64093674, 106822790, 128187348, 160234185, 213645580, 320468370, 640936740]

約数ペア:

[(1, 640936740), (2, 320468370), (3, 213645580), (4, 160234185), (5, 128187348), (6, 106822790), (10, 64093674), (12, 53411395), (15, 42729116), (20, 32046837), (30, 21364558), (60, 10682279), (67, 9566220), (134, 4783110), (201, 3188740), (268, 2391555), (335, 1913244), (402, 1594370), (670, 956622), (804, 797185), (1005, 637748), (1340, 478311), (2010, 318874), (4020, 159437)]