155557140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{8971}}^1$

素因数の和:9017

約数の個数: 72

約数和(自身を含む): 462739872

約数和(自身を除く): 307182732

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, 5780, 8670, 8971, 17340, 17942, 26913, 35884, 44855, 53826, 89710, 107652, 134565, 152507, 179420, 269130, 305014, 457521, 538260, 610028, 762535, 915042, 1525070, 1830084, 2287605, 2592619, 3050140, 4575210, 5185238, 7777857, 9150420, 10370476, 12963095, 15555714, 25926190, 31111428, 38889285, 51852380, 77778570, 155557140]

約数ペア:

[(1, 155557140), (2, 77778570), (3, 51852380), (4, 38889285), (5, 31111428), (6, 25926190), (10, 15555714), (12, 12963095), (15, 10370476), (17, 9150420), (20, 7777857), (30, 5185238), (34, 4575210), (51, 3050140), (60, 2592619), (68, 2287605), (85, 1830084), (102, 1525070), (170, 915042), (204, 762535), (255, 610028), (289, 538260), (340, 457521), (510, 305014), (578, 269130), (867, 179420), (1020, 152507), (1156, 134565), (1445, 107652), (1734, 89710), (2890, 53826), (3468, 44855), (4335, 35884), (5780, 26913), (8670, 17942), (8971, 17340)]