91819640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 231547680

約数和(自身を除く): 139728040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 121, 122, 220, 242, 244, 305, 311, 440, 484, 488, 605, 610, 622, 671, 968, 1210, 1220, 1244, 1342, 1555, 2420, 2440, 2488, 2684, 3110, 3355, 3421, 4840, 5368, 6220, 6710, 6842, 7381, 12440, 13420, 13684, 14762, 17105, 18971, 26840, 27368, 29524, 34210, 36905, 37631, 37942, 59048, 68420, 73810, 75262, 75884, 94855, 136840, 147620, 150524, 151768, 188155, 189710, 208681, 295240, 301048, 376310, 379420, 417362, 752620, 758840, 834724, 1043405, 1505240, 1669448, 2086810, 2295491, 4173620, 4590982, 8347240, 9181964, 11477455, 18363928, 22954910, 45909820, 91819640]

約数ペア:

[(1, 91819640), (2, 45909820), (4, 22954910), (5, 18363928), (8, 11477455), (10, 9181964), (11, 8347240), (20, 4590982), (22, 4173620), (40, 2295491), (44, 2086810), (55, 1669448), (61, 1505240), (88, 1043405), (110, 834724), (121, 758840), (122, 752620), (220, 417362), (242, 379420), (244, 376310), (305, 301048), (311, 295240), (440, 208681), (484, 189710), (488, 188155), (605, 151768), (610, 150524), (622, 147620), (671, 136840), (968, 94855), (1210, 75884), (1220, 75262), (1244, 73810), (1342, 68420), (1555, 59048), (2420, 37942), (2440, 37631), (2488, 36905), (2684, 34210), (3110, 29524), (3355, 27368), (3421, 26840), (4840, 18971), (5368, 17105), (6220, 14762), (6710, 13684), (6842, 13420), (7381, 12440)]