51620940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:848

約数の個数: 144

約数和(自身を含む): 182564928

約数和(自身を除く): 130943988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 773, 795, 954, 1060, 1113, 1260, 1484, 1546, 1590, 1855, 1908, 2226, 2319, 2385, 3092, 3180, 3339, 3710, 3865, 4452, 4638, 4770, 5411, 5565, 6678, 6957, 7420, 7730, 9276, 9540, 10822, 11130, 11595, 13356, 13914, 15460, 16233, 16695, 21644, 22260, 23190, 27055, 27828, 32466, 33390, 34785, 40969, 46380, 48699, 54110, 64932, 66780, 69570, 81165, 81938, 97398, 108220, 122907, 139140, 162330, 163876, 194796, 204845, 243495, 245814, 286783, 324660, 368721, 409690, 486990, 491628, 573566, 614535, 737442, 819380, 860349, 973980, 1147132, 1229070, 1433915, 1474884, 1720698, 1843605, 2458140, 2581047, 2867830, 3441396, 3687210, 4301745, 5162094, 5735660, 7374420, 8603490, 10324188, 12905235, 17206980, 25810470, 51620940]

約数ペア:

[(1, 51620940), (2, 25810470), (3, 17206980), (4, 12905235), (5, 10324188), (6, 8603490), (7, 7374420), (9, 5735660), (10, 5162094), (12, 4301745), (14, 3687210), (15, 3441396), (18, 2867830), (20, 2581047), (21, 2458140), (28, 1843605), (30, 1720698), (35, 1474884), (36, 1433915), (42, 1229070), (45, 1147132), (53, 973980), (60, 860349), (63, 819380), (70, 737442), (84, 614535), (90, 573566), (105, 491628), (106, 486990), (126, 409690), (140, 368721), (159, 324660), (180, 286783), (210, 245814), (212, 243495), (252, 204845), (265, 194796), (315, 163876), (318, 162330), (371, 139140), (420, 122907), (477, 108220), (530, 97398), (630, 81938), (636, 81165), (742, 69570), (773, 66780), (795, 64932), (954, 54110), (1060, 48699), (1113, 46380), (1260, 40969), (1484, 34785), (1546, 33390), (1590, 32466), (1855, 27828), (1908, 27055), (2226, 23190), (2319, 22260), (2385, 21644), (3092, 16695), (3180, 16233), (3339, 15460), (3710, 13914), (3865, 13356), (4452, 11595), (4638, 11130), (4770, 10822), (5411, 9540), (5565, 9276), (6678, 7730), (6957, 7420)]