81976178280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2621}}^1\times {\mathrm{2687}}^1$

素因数の和:5419

約数の個数: 128

約数和(自身を含む): 248651182080

約数和(自身を除く): 166675003800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2621, 2687, 2910, 3880, 5242, 5374, 5820, 7863, 8061, 10484, 10748, 11640, 13105, 13435, 15726, 16122, 20968, 21496, 26210, 26870, 31452, 32244, 39315, 40305, 52420, 53740, 62904, 64488, 78630, 80610, 104840, 107480, 157260, 161220, 254237, 260639, 314520, 322440, 508474, 521278, 762711, 781917, 1016948, 1042556, 1271185, 1303195, 1525422, 1563834, 2033896, 2085112, 2542370, 2606390, 3050844, 3127668, 3813555, 3909585, 5084740, 5212780, 6101688, 6255336, 7042627, 7627110, 7819170, 10169480, 10425560, 14085254, 15254220, 15638340, 21127881, 28170508, 30508440, 31276680, 35213135, 42255762, 56341016, 70426270, 84511524, 105639405, 140852540, 169023048, 211278810, 281705080, 422557620, 683134819, 845115240, 1366269638, 2049404457, 2732539276, 3415674095, 4098808914, 5465078552, 6831348190, 8197617828, 10247022285, 13662696380, 16395235656, 20494044570, 27325392760, 40988089140, 81976178280]

約数ペア:

[(1, 81976178280), (2, 40988089140), (3, 27325392760), (4, 20494044570), (5, 16395235656), (6, 13662696380), (8, 10247022285), (10, 8197617828), (12, 6831348190), (15, 5465078552), (20, 4098808914), (24, 3415674095), (30, 2732539276), (40, 2049404457), (60, 1366269638), (97, 845115240), (120, 683134819), (194, 422557620), (291, 281705080), (388, 211278810), (485, 169023048), (582, 140852540), (776, 105639405), (970, 84511524), (1164, 70426270), (1455, 56341016), (1940, 42255762), (2328, 35213135), (2621, 31276680), (2687, 30508440), (2910, 28170508), (3880, 21127881), (5242, 15638340), (5374, 15254220), (5820, 14085254), (7863, 10425560), (8061, 10169480), (10484, 7819170), (10748, 7627110), (11640, 7042627), (13105, 6255336), (13435, 6101688), (15726, 5212780), (16122, 5084740), (20968, 3909585), (21496, 3813555), (26210, 3127668), (26870, 3050844), (31452, 2606390), (32244, 2542370), (39315, 2085112), (40305, 2033896), (52420, 1563834), (53740, 1525422), (62904, 1303195), (64488, 1271185), (78630, 1042556), (80610, 1016948), (104840, 781917), (107480, 762711), (157260, 521278), (161220, 508474), (254237, 322440), (260639, 314520)]