204654560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 549518256

約数和(自身を除く): 344863696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 440, 484, 496, 605, 620, 682, 880, 961, 968, 992, 1210, 1240, 1331, 1364, 1705, 1760, 1922, 1936, 2420, 2480, 2662, 2728, 3410, 3751, 3844, 3872, 4805, 4840, 4960, 5324, 5456, 6655, 6820, 7502, 7688, 9610, 9680, 10571, 10648, 10912, 13310, 13640, 15004, 15376, 18755, 19220, 19360, 21142, 21296, 26620, 27280, 30008, 30752, 37510, 38440, 41261, 42284, 42592, 52855, 53240, 54560, 60016, 75020, 76880, 82522, 84568, 105710, 106480, 116281, 120032, 150040, 153760, 165044, 169136, 206305, 211420, 212960, 232562, 300080, 330088, 338272, 412610, 422840, 465124, 581405, 600160, 660176, 825220, 845680, 930248, 1162810, 1279091, 1320352, 1650440, 1691360, 1860496, 2325620, 2558182, 3300880, 3720992, 4651240, 5116364, 6395455, 6601760, 9302480, 10232728, 12790910, 18604960, 20465456, 25581820, 40930912, 51163640, 102327280, 204654560]

約数ペア:

[(1, 204654560), (2, 102327280), (4, 51163640), (5, 40930912), (8, 25581820), (10, 20465456), (11, 18604960), (16, 12790910), (20, 10232728), (22, 9302480), (31, 6601760), (32, 6395455), (40, 5116364), (44, 4651240), (55, 3720992), (62, 3300880), (80, 2558182), (88, 2325620), (110, 1860496), (121, 1691360), (124, 1650440), (155, 1320352), (160, 1279091), (176, 1162810), (220, 930248), (242, 845680), (248, 825220), (310, 660176), (341, 600160), (352, 581405), (440, 465124), (484, 422840), (496, 412610), (605, 338272), (620, 330088), (682, 300080), (880, 232562), (961, 212960), (968, 211420), (992, 206305), (1210, 169136), (1240, 165044), (1331, 153760), (1364, 150040), (1705, 120032), (1760, 116281), (1922, 106480), (1936, 105710), (2420, 84568), (2480, 82522), (2662, 76880), (2728, 75020), (3410, 60016), (3751, 54560), (3844, 53240), (3872, 52855), (4805, 42592), (4840, 42284), (4960, 41261), (5324, 38440), (5456, 37510), (6655, 30752), (6820, 30008), (7502, 27280), (7688, 26620), (9610, 21296), (9680, 21142), (10571, 19360), (10648, 19220), (10912, 18755), (13310, 15376), (13640, 15004)]