51981240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 167650560

約数和(自身を除く): 115669320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 83, 85, 102, 120, 136, 166, 170, 204, 249, 255, 307, 332, 340, 408, 415, 498, 510, 614, 664, 680, 830, 921, 996, 1020, 1228, 1245, 1411, 1535, 1660, 1842, 1992, 2040, 2456, 2490, 2822, 3070, 3320, 3684, 4233, 4605, 4980, 5219, 5644, 6140, 7055, 7368, 8466, 9210, 9960, 10438, 11288, 12280, 14110, 15657, 16932, 18420, 20876, 21165, 25481, 26095, 28220, 31314, 33864, 36840, 41752, 42330, 50962, 52190, 56440, 62628, 76443, 78285, 84660, 101924, 104380, 125256, 127405, 152886, 156570, 169320, 203848, 208760, 254810, 305772, 313140, 382215, 433177, 509620, 611544, 626280, 764430, 866354, 1019240, 1299531, 1528860, 1732708, 2165885, 2599062, 3057720, 3465416, 4331770, 5198124, 6497655, 8663540, 10396248, 12995310, 17327080, 25990620, 51981240]

約数ペア:

[(1, 51981240), (2, 25990620), (3, 17327080), (4, 12995310), (5, 10396248), (6, 8663540), (8, 6497655), (10, 5198124), (12, 4331770), (15, 3465416), (17, 3057720), (20, 2599062), (24, 2165885), (30, 1732708), (34, 1528860), (40, 1299531), (51, 1019240), (60, 866354), (68, 764430), (83, 626280), (85, 611544), (102, 509620), (120, 433177), (136, 382215), (166, 313140), (170, 305772), (204, 254810), (249, 208760), (255, 203848), (307, 169320), (332, 156570), (340, 152886), (408, 127405), (415, 125256), (498, 104380), (510, 101924), (614, 84660), (664, 78285), (680, 76443), (830, 62628), (921, 56440), (996, 52190), (1020, 50962), (1228, 42330), (1245, 41752), (1411, 36840), (1535, 33864), (1660, 31314), (1842, 28220), (1992, 26095), (2040, 25481), (2456, 21165), (2490, 20876), (2822, 18420), (3070, 16932), (3320, 15657), (3684, 14110), (4233, 12280), (4605, 11288), (4980, 10438), (5219, 9960), (5644, 9210), (6140, 8466), (7055, 7368)]