1287425340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2539}}^1$

素因数の和:2873

約数の個数: 120

約数和(自身を含む): 4053199920

約数和(自身を除く): 2765774580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 313, 324, 405, 540, 626, 810, 939, 1252, 1565, 1620, 1878, 2539, 2817, 3130, 3756, 4695, 5078, 5634, 6260, 7617, 8451, 9390, 10156, 11268, 12695, 14085, 15234, 16902, 18780, 22851, 25353, 25390, 28170, 30468, 33804, 38085, 42255, 45702, 50706, 50780, 56340, 68553, 76170, 84510, 91404, 101412, 114255, 126765, 137106, 152340, 169020, 205659, 228510, 253530, 274212, 342765, 411318, 457020, 507060, 685530, 794707, 822636, 1028295, 1371060, 1589414, 2056590, 2384121, 3178828, 3973535, 4113180, 4768242, 7152363, 7947070, 9536484, 11920605, 14304726, 15894140, 21457089, 23841210, 28609452, 35761815, 42914178, 47682420, 64371267, 71523630, 85828356, 107285445, 128742534, 143047260, 214570890, 257485068, 321856335, 429141780, 643712670, 1287425340]

約数ペア:

[(1, 1287425340), (2, 643712670), (3, 429141780), (4, 321856335), (5, 257485068), (6, 214570890), (9, 143047260), (10, 128742534), (12, 107285445), (15, 85828356), (18, 71523630), (20, 64371267), (27, 47682420), (30, 42914178), (36, 35761815), (45, 28609452), (54, 23841210), (60, 21457089), (81, 15894140), (90, 14304726), (108, 11920605), (135, 9536484), (162, 7947070), (180, 7152363), (270, 4768242), (313, 4113180), (324, 3973535), (405, 3178828), (540, 2384121), (626, 2056590), (810, 1589414), (939, 1371060), (1252, 1028295), (1565, 822636), (1620, 794707), (1878, 685530), (2539, 507060), (2817, 457020), (3130, 411318), (3756, 342765), (4695, 274212), (5078, 253530), (5634, 228510), (6260, 205659), (7617, 169020), (8451, 152340), (9390, 137106), (10156, 126765), (11268, 114255), (12695, 101412), (14085, 91404), (15234, 84510), (16902, 76170), (18780, 68553), (22851, 56340), (25353, 50780), (25390, 50706), (28170, 45702), (30468, 42255), (33804, 38085)]