1549516880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{1663}}^1$

素因数の和:2308

約数の個数: 80

約数和(自身を含む): 3800709120

約数和(自身を除く): 2251192240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 613, 760, 1226, 1520, 1663, 2452, 3065, 3326, 4904, 6130, 6652, 8315, 9808, 11647, 12260, 13304, 16630, 23294, 24520, 26608, 31597, 33260, 46588, 49040, 58235, 63194, 66520, 93176, 116470, 126388, 133040, 157985, 186352, 232940, 252776, 315970, 465880, 505552, 631940, 931760, 1019419, 1263880, 2038838, 2527760, 4077676, 5097095, 8155352, 10194190, 16310704, 19368961, 20388380, 38737922, 40776760, 77475844, 81553520, 96844805, 154951688, 193689610, 309903376, 387379220, 774758440, 1549516880]

約数ペア:

[(1, 1549516880), (2, 774758440), (4, 387379220), (5, 309903376), (8, 193689610), (10, 154951688), (16, 96844805), (19, 81553520), (20, 77475844), (38, 40776760), (40, 38737922), (76, 20388380), (80, 19368961), (95, 16310704), (152, 10194190), (190, 8155352), (304, 5097095), (380, 4077676), (613, 2527760), (760, 2038838), (1226, 1263880), (1520, 1019419), (1663, 931760), (2452, 631940), (3065, 505552), (3326, 465880), (4904, 315970), (6130, 252776), (6652, 232940), (8315, 186352), (9808, 157985), (11647, 133040), (12260, 126388), (13304, 116470), (16630, 93176), (23294, 66520), (24520, 63194), (26608, 58235), (31597, 49040), (33260, 46588)]