77609120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15647}}^1$

素因数の和:15693

約数の個数: 48

約数和(自身を含む): 189278208

約数和(自身を除く): 111669088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15647, 31294, 62588, 78235, 125176, 156470, 250352, 312940, 485057, 500704, 625880, 970114, 1251760, 1940228, 2425285, 2503520, 3880456, 4850570, 7760912, 9701140, 15521824, 19402280, 38804560, 77609120]

約数ペア:

[(1, 77609120), (2, 38804560), (4, 19402280), (5, 15521824), (8, 9701140), (10, 7760912), (16, 4850570), (20, 3880456), (31, 2503520), (32, 2425285), (40, 1940228), (62, 1251760), (80, 970114), (124, 625880), (155, 500704), (160, 485057), (248, 312940), (310, 250352), (496, 156470), (620, 125176), (992, 78235), (1240, 62588), (2480, 31294), (4960, 15647)]