90141240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 311040000

約数和(自身を除く): 220898760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 449, 478, 717, 840, 898, 956, 1195, 1347, 1434, 1673, 1796, 1912, 2245, 2390, 2694, 2868, 3143, 3346, 3585, 3592, 4490, 4780, 5019, 5388, 5736, 6286, 6692, 6735, 7170, 8365, 8980, 9429, 9560, 10038, 10776, 12572, 13384, 13470, 14340, 15715, 16730, 17960, 18858, 20076, 25095, 25144, 26940, 28680, 31430, 33460, 37716, 40152, 47145, 50190, 53880, 62860, 66920, 75432, 94290, 100380, 107311, 125720, 188580, 200760, 214622, 321933, 377160, 429244, 536555, 643866, 751177, 858488, 1073110, 1287732, 1502354, 1609665, 2146220, 2253531, 2575464, 3004708, 3219330, 3755885, 4292440, 4507062, 6009416, 6438660, 7511770, 9014124, 11267655, 12877320, 15023540, 18028248, 22535310, 30047080, 45070620, 90141240]

約数ペア:

[(1, 90141240), (2, 45070620), (3, 30047080), (4, 22535310), (5, 18028248), (6, 15023540), (7, 12877320), (8, 11267655), (10, 9014124), (12, 7511770), (14, 6438660), (15, 6009416), (20, 4507062), (21, 4292440), (24, 3755885), (28, 3219330), (30, 3004708), (35, 2575464), (40, 2253531), (42, 2146220), (56, 1609665), (60, 1502354), (70, 1287732), (84, 1073110), (105, 858488), (120, 751177), (140, 643866), (168, 536555), (210, 429244), (239, 377160), (280, 321933), (420, 214622), (449, 200760), (478, 188580), (717, 125720), (840, 107311), (898, 100380), (956, 94290), (1195, 75432), (1347, 66920), (1434, 62860), (1673, 53880), (1796, 50190), (1912, 47145), (2245, 40152), (2390, 37716), (2694, 33460), (2868, 31430), (3143, 28680), (3346, 26940), (3585, 25144), (3592, 25095), (4490, 20076), (4780, 18858), (5019, 17960), (5388, 16730), (5736, 15715), (6286, 14340), (6692, 13470), (6735, 13384), (7170, 12572), (8365, 10776), (8980, 10038), (9429, 9560)]