721039140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{38891}}^1$

素因数の和:39009

約数の個数: 72

約数和(自身を含む): 2208443328

約数和(自身を除く): 1487404188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 18540, 38891, 77782, 116673, 155564, 194455, 233346, 350019, 388910, 466692, 583365, 700038, 777820, 1166730, 1400076, 1750095, 2333460, 3500190, 4005773, 7000380, 8011546, 12017319, 16023092, 20028865, 24034638, 36051957, 40057730, 48069276, 60086595, 72103914, 80115460, 120173190, 144207828, 180259785, 240346380, 360519570, 721039140]

約数ペア:

[(1, 721039140), (2, 360519570), (3, 240346380), (4, 180259785), (5, 144207828), (6, 120173190), (9, 80115460), (10, 72103914), (12, 60086595), (15, 48069276), (18, 40057730), (20, 36051957), (30, 24034638), (36, 20028865), (45, 16023092), (60, 12017319), (90, 8011546), (103, 7000380), (180, 4005773), (206, 3500190), (309, 2333460), (412, 1750095), (515, 1400076), (618, 1166730), (927, 777820), (1030, 700038), (1236, 583365), (1545, 466692), (1854, 388910), (2060, 350019), (3090, 233346), (3708, 194455), (4635, 155564), (6180, 116673), (9270, 77782), (18540, 38891)]