90987210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 96

約数和(自身を含む): 248676480

約数和(自身を除く): 157689270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 71, 87, 90, 142, 145, 174, 213, 261, 290, 355, 426, 435, 491, 522, 639, 710, 870, 982, 1065, 1278, 1305, 1473, 2059, 2130, 2455, 2610, 2946, 3195, 4118, 4419, 4910, 6177, 6390, 7365, 8838, 10295, 12354, 14239, 14730, 18531, 20590, 22095, 28478, 30885, 34861, 37062, 42717, 44190, 61770, 69722, 71195, 85434, 92655, 104583, 128151, 142390, 174305, 185310, 209166, 213585, 256302, 313749, 348610, 427170, 522915, 627498, 640755, 1010969, 1045830, 1281510, 1568745, 2021938, 3032907, 3137490, 5054845, 6065814, 9098721, 10109690, 15164535, 18197442, 30329070, 45493605, 90987210]

約数ペア:

[(1, 90987210), (2, 45493605), (3, 30329070), (5, 18197442), (6, 15164535), (9, 10109690), (10, 9098721), (15, 6065814), (18, 5054845), (29, 3137490), (30, 3032907), (45, 2021938), (58, 1568745), (71, 1281510), (87, 1045830), (90, 1010969), (142, 640755), (145, 627498), (174, 522915), (213, 427170), (261, 348610), (290, 313749), (355, 256302), (426, 213585), (435, 209166), (491, 185310), (522, 174305), (639, 142390), (710, 128151), (870, 104583), (982, 92655), (1065, 85434), (1278, 71195), (1305, 69722), (1473, 61770), (2059, 44190), (2130, 42717), (2455, 37062), (2610, 34861), (2946, 30885), (3195, 28478), (4118, 22095), (4419, 20590), (4910, 18531), (6177, 14730), (6390, 14239), (7365, 12354), (8838, 10295)]