256091880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10211}}^1$

素因数の和:10255

約数の個数: 128

約数和(自身を含む): 882316800

約数和(自身を除く): 626224920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 4180, 5016, 6270, 8360, 10211, 12540, 20422, 25080, 30633, 40844, 51055, 61266, 81688, 102110, 112321, 122532, 153165, 194009, 204220, 224642, 245064, 306330, 336963, 388018, 408440, 449284, 561605, 582027, 612660, 673926, 776036, 898568, 970045, 1123210, 1164054, 1225320, 1347852, 1552072, 1684815, 1940090, 2134099, 2246420, 2328108, 2695704, 2910135, 3369630, 3880180, 4268198, 4492840, 4656216, 5820270, 6402297, 6739260, 7760360, 8536396, 10670495, 11640540, 12804594, 13478520, 17072792, 21340990, 23281080, 25609188, 32011485, 42681980, 51218376, 64022970, 85363960, 128045940, 256091880]

約数ペア:

[(1, 256091880), (2, 128045940), (3, 85363960), (4, 64022970), (5, 51218376), (6, 42681980), (8, 32011485), (10, 25609188), (11, 23281080), (12, 21340990), (15, 17072792), (19, 13478520), (20, 12804594), (22, 11640540), (24, 10670495), (30, 8536396), (33, 7760360), (38, 6739260), (40, 6402297), (44, 5820270), (55, 4656216), (57, 4492840), (60, 4268198), (66, 3880180), (76, 3369630), (88, 2910135), (95, 2695704), (110, 2328108), (114, 2246420), (120, 2134099), (132, 1940090), (152, 1684815), (165, 1552072), (190, 1347852), (209, 1225320), (220, 1164054), (228, 1123210), (264, 970045), (285, 898568), (330, 776036), (380, 673926), (418, 612660), (440, 582027), (456, 561605), (570, 449284), (627, 408440), (660, 388018), (760, 336963), (836, 306330), (1045, 245064), (1140, 224642), (1254, 204220), (1320, 194009), (1672, 153165), (2090, 122532), (2280, 112321), (2508, 102110), (3135, 81688), (4180, 61266), (5016, 51055), (6270, 40844), (8360, 30633), (10211, 25080), (12540, 20422)]