1138888920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1663}}^1$

素因数の和:2129

約数の個数: 128

約数和(自身を含む): 3690086400

約数和(自身を除く): 2551197480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 439, 520, 780, 878, 1317, 1560, 1663, 1756, 2195, 2634, 3326, 3512, 4390, 4989, 5268, 5707, 6585, 6652, 8315, 8780, 9978, 10536, 11414, 13170, 13304, 16630, 17121, 17560, 19956, 21619, 22828, 24945, 26340, 28535, 33260, 34242, 39912, 43238, 45656, 49890, 52680, 57070, 64857, 66520, 68484, 85605, 86476, 99780, 108095, 114140, 129714, 136968, 171210, 172952, 199560, 216190, 228280, 259428, 324285, 342420, 432380, 518856, 648570, 684840, 730057, 864760, 1297140, 1460114, 2190171, 2594280, 2920228, 3650285, 4380342, 5840456, 7300570, 8760684, 9490741, 10950855, 14601140, 17521368, 18981482, 21901710, 28472223, 29202280, 37962964, 43803420, 47453705, 56944446, 75925928, 87606840, 94907410, 113888892, 142361115, 189814820, 227777784, 284722230, 379629640, 569444460, 1138888920]

約数ペア:

[(1, 1138888920), (2, 569444460), (3, 379629640), (4, 284722230), (5, 227777784), (6, 189814820), (8, 142361115), (10, 113888892), (12, 94907410), (13, 87606840), (15, 75925928), (20, 56944446), (24, 47453705), (26, 43803420), (30, 37962964), (39, 29202280), (40, 28472223), (52, 21901710), (60, 18981482), (65, 17521368), (78, 14601140), (104, 10950855), (120, 9490741), (130, 8760684), (156, 7300570), (195, 5840456), (260, 4380342), (312, 3650285), (390, 2920228), (439, 2594280), (520, 2190171), (780, 1460114), (878, 1297140), (1317, 864760), (1560, 730057), (1663, 684840), (1756, 648570), (2195, 518856), (2634, 432380), (3326, 342420), (3512, 324285), (4390, 259428), (4989, 228280), (5268, 216190), (5707, 199560), (6585, 172952), (6652, 171210), (8315, 136968), (8780, 129714), (9978, 114140), (10536, 108095), (11414, 99780), (13170, 86476), (13304, 85605), (16630, 68484), (17121, 66520), (17560, 64857), (19956, 57070), (21619, 52680), (22828, 49890), (24945, 45656), (26340, 43238), (28535, 39912), (33260, 34242)]