256476277640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2657}}^1\times {\mathrm{2777}}^1$

素因数の和:5535

約数の個数: 128

約数和(自身を含む): 637971033600

約数和(自身を除く): 381494755960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 2657, 2777, 3160, 3476, 4345, 5314, 5554, 6952, 8690, 10628, 11108, 13285, 13885, 17380, 21256, 22216, 26570, 27770, 29227, 30547, 34760, 53140, 55540, 58454, 61094, 106280, 111080, 116908, 122188, 146135, 152735, 209903, 219383, 233816, 244376, 292270, 305470, 419806, 438766, 584540, 610940, 839612, 877532, 1049515, 1096915, 1169080, 1221880, 1679224, 1755064, 2099030, 2193830, 2308933, 2413213, 4198060, 4387660, 4617866, 4826426, 7378489, 8396120, 8775320, 9235732, 9652852, 11544665, 12066065, 14756978, 18471464, 19305704, 23089330, 24132130, 29513956, 36892445, 46178660, 48264260, 59027912, 73784890, 81163379, 92357320, 96528520, 147569780, 162326758, 295139560, 324653516, 405816895, 582900631, 649307032, 811633790, 1165801262, 1623267580, 2331602524, 2914503155, 3246535160, 4663205048, 5829006310, 6411906941, 11658012620, 12823813882, 23316025240, 25647627764, 32059534705, 51295255528, 64119069410, 128238138820, 256476277640]

約数ペア:

[(1, 256476277640), (2, 128238138820), (4, 64119069410), (5, 51295255528), (8, 32059534705), (10, 25647627764), (11, 23316025240), (20, 12823813882), (22, 11658012620), (40, 6411906941), (44, 5829006310), (55, 4663205048), (79, 3246535160), (88, 2914503155), (110, 2331602524), (158, 1623267580), (220, 1165801262), (316, 811633790), (395, 649307032), (440, 582900631), (632, 405816895), (790, 324653516), (869, 295139560), (1580, 162326758), (1738, 147569780), (2657, 96528520), (2777, 92357320), (3160, 81163379), (3476, 73784890), (4345, 59027912), (5314, 48264260), (5554, 46178660), (6952, 36892445), (8690, 29513956), (10628, 24132130), (11108, 23089330), (13285, 19305704), (13885, 18471464), (17380, 14756978), (21256, 12066065), (22216, 11544665), (26570, 9652852), (27770, 9235732), (29227, 8775320), (30547, 8396120), (34760, 7378489), (53140, 4826426), (55540, 4617866), (58454, 4387660), (61094, 4198060), (106280, 2413213), (111080, 2308933), (116908, 2193830), (122188, 2099030), (146135, 1755064), (152735, 1679224), (209903, 1221880), (219383, 1169080), (233816, 1096915), (244376, 1049515), (292270, 877532), (305470, 839612), (419806, 610940), (438766, 584540)]