90405920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1714

約数の個数: 96

約数和(自身を含む): 240662016

約数和(自身を除く): 150256096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 440, 496, 620, 682, 880, 992, 1240, 1364, 1657, 1705, 1760, 2480, 2728, 3314, 3410, 4960, 5456, 6628, 6820, 8285, 10912, 13256, 13640, 16570, 18227, 26512, 27280, 33140, 36454, 51367, 53024, 54560, 66280, 72908, 91135, 102734, 132560, 145816, 182270, 205468, 256835, 265120, 291632, 364540, 410936, 513670, 565037, 583264, 729080, 821872, 1027340, 1130074, 1458160, 1643744, 2054680, 2260148, 2825185, 2916320, 4109360, 4520296, 5650370, 8218720, 9040592, 11300740, 18081184, 22601480, 45202960, 90405920]

約数ペア:

[(1, 90405920), (2, 45202960), (4, 22601480), (5, 18081184), (8, 11300740), (10, 9040592), (11, 8218720), (16, 5650370), (20, 4520296), (22, 4109360), (31, 2916320), (32, 2825185), (40, 2260148), (44, 2054680), (55, 1643744), (62, 1458160), (80, 1130074), (88, 1027340), (110, 821872), (124, 729080), (155, 583264), (160, 565037), (176, 513670), (220, 410936), (248, 364540), (310, 291632), (341, 265120), (352, 256835), (440, 205468), (496, 182270), (620, 145816), (682, 132560), (880, 102734), (992, 91135), (1240, 72908), (1364, 66280), (1657, 54560), (1705, 53024), (1760, 51367), (2480, 36454), (2728, 33140), (3314, 27280), (3410, 26512), (4960, 18227), (5456, 16570), (6628, 13640), (6820, 13256), (8285, 10912)]