1261783160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{13721}}^1$

素因数の和:13773

約数の個数: 96

約数和(自身を含む): 3285046800

約数和(自身を除く): 2023263640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 209, 220, 242, 380, 418, 440, 484, 605, 760, 836, 968, 1045, 1210, 1672, 2090, 2299, 2420, 4180, 4598, 4840, 8360, 9196, 11495, 13721, 18392, 22990, 27442, 45980, 54884, 68605, 91960, 109768, 137210, 150931, 260699, 274420, 301862, 521398, 548840, 603724, 754655, 1042796, 1207448, 1303495, 1509310, 1660241, 2085592, 2606990, 2867689, 3018620, 3320482, 5213980, 5735378, 6037240, 6640964, 8301205, 10427960, 11470756, 13281928, 14338445, 16602410, 22941512, 28676890, 31544579, 33204820, 57353780, 63089158, 66409640, 114707560, 126178316, 157722895, 252356632, 315445790, 630891580, 1261783160]

約数ペア:

[(1, 1261783160), (2, 630891580), (4, 315445790), (5, 252356632), (8, 157722895), (10, 126178316), (11, 114707560), (19, 66409640), (20, 63089158), (22, 57353780), (38, 33204820), (40, 31544579), (44, 28676890), (55, 22941512), (76, 16602410), (88, 14338445), (95, 13281928), (110, 11470756), (121, 10427960), (152, 8301205), (190, 6640964), (209, 6037240), (220, 5735378), (242, 5213980), (380, 3320482), (418, 3018620), (440, 2867689), (484, 2606990), (605, 2085592), (760, 1660241), (836, 1509310), (968, 1303495), (1045, 1207448), (1210, 1042796), (1672, 754655), (2090, 603724), (2299, 548840), (2420, 521398), (4180, 301862), (4598, 274420), (4840, 260699), (8360, 150931), (9196, 137210), (11495, 109768), (13721, 91960), (18392, 68605), (22990, 54884), (27442, 45980)]