74388420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21751}}^1$

素因数の和:21785

約数の個数: 72

約数和(自身を含む): 237531840

約数和(自身を除く): 163143420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21751, 43502, 65253, 87004, 108755, 130506, 195759, 217510, 261012, 326265, 391518, 413269, 435020, 652530, 783036, 826538, 978795, 1239807, 1305060, 1653076, 1957590, 2066345, 2479614, 3719421, 3915180, 4132690, 4959228, 6199035, 7438842, 8265380, 12398070, 14877684, 18597105, 24796140, 37194210, 74388420]

約数ペア:

[(1, 74388420), (2, 37194210), (3, 24796140), (4, 18597105), (5, 14877684), (6, 12398070), (9, 8265380), (10, 7438842), (12, 6199035), (15, 4959228), (18, 4132690), (19, 3915180), (20, 3719421), (30, 2479614), (36, 2066345), (38, 1957590), (45, 1653076), (57, 1305060), (60, 1239807), (76, 978795), (90, 826538), (95, 783036), (114, 652530), (171, 435020), (180, 413269), (190, 391518), (228, 326265), (285, 261012), (342, 217510), (380, 195759), (570, 130506), (684, 108755), (855, 87004), (1140, 65253), (1710, 43502), (3420, 21751)]