51378420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2963}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 152871264

約数和(自身を除く): 101492844

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, 2963, 3468, 4335, 5780, 5926, 8670, 8889, 11852, 14815, 17340, 17778, 29630, 35556, 44445, 50371, 59260, 88890, 100742, 151113, 177780, 201484, 251855, 302226, 503710, 604452, 755565, 856307, 1007420, 1511130, 1712614, 2568921, 3022260, 3425228, 4281535, 5137842, 8563070, 10275684, 12844605, 17126140, 25689210, 51378420]

約数ペア:

[(1, 51378420), (2, 25689210), (3, 17126140), (4, 12844605), (5, 10275684), (6, 8563070), (10, 5137842), (12, 4281535), (15, 3425228), (17, 3022260), (20, 2568921), (30, 1712614), (34, 1511130), (51, 1007420), (60, 856307), (68, 755565), (85, 604452), (102, 503710), (170, 302226), (204, 251855), (255, 201484), (289, 177780), (340, 151113), (510, 100742), (578, 88890), (867, 59260), (1020, 50371), (1156, 44445), (1445, 35556), (1734, 29630), (2890, 17778), (2963, 17340), (3468, 14815), (4335, 11852), (5780, 8889), (5926, 8670)]