80128140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4621}}^1$

素因数の和:4667

約数の個数: 72

約数和(自身を含む): 238384272

約数和(自身を除く): 158256132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 4621, 5780, 8670, 9242, 13863, 17340, 18484, 23105, 27726, 46210, 55452, 69315, 78557, 92420, 138630, 157114, 235671, 277260, 314228, 392785, 471342, 785570, 942684, 1178355, 1335469, 1571140, 2356710, 2670938, 4006407, 4713420, 5341876, 6677345, 8012814, 13354690, 16025628, 20032035, 26709380, 40064070, 80128140]

約数ペア:

[(1, 80128140), (2, 40064070), (3, 26709380), (4, 20032035), (5, 16025628), (6, 13354690), (10, 8012814), (12, 6677345), (15, 5341876), (17, 4713420), (20, 4006407), (30, 2670938), (34, 2356710), (51, 1571140), (60, 1335469), (68, 1178355), (85, 942684), (102, 785570), (170, 471342), (204, 392785), (255, 314228), (289, 277260), (340, 235671), (510, 157114), (578, 138630), (867, 92420), (1020, 78557), (1156, 69315), (1445, 55452), (1734, 46210), (2890, 27726), (3468, 23105), (4335, 18484), (4621, 17340), (5780, 13863), (8670, 9242)]