90143340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{30661}}^1$

素因数の和:30687

約数の個数: 72

約数和(自身を含む): 293619312

約数和(自身を除く): 203475972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 30661, 61322, 91983, 122644, 153305, 183966, 214627, 306610, 367932, 429254, 459915, 613220, 643881, 858508, 919830, 1073135, 1287762, 1502389, 1839660, 2146270, 2575524, 3004778, 3219405, 4292540, 4507167, 6009556, 6438810, 7511945, 9014334, 12877620, 15023890, 18028668, 22535835, 30047780, 45071670, 90143340]

約数ペア:

[(1, 90143340), (2, 45071670), (3, 30047780), (4, 22535835), (5, 18028668), (6, 15023890), (7, 12877620), (10, 9014334), (12, 7511945), (14, 6438810), (15, 6009556), (20, 4507167), (21, 4292540), (28, 3219405), (30, 3004778), (35, 2575524), (42, 2146270), (49, 1839660), (60, 1502389), (70, 1287762), (84, 1073135), (98, 919830), (105, 858508), (140, 643881), (147, 613220), (196, 459915), (210, 429254), (245, 367932), (294, 306610), (420, 214627), (490, 183966), (588, 153305), (735, 122644), (980, 91983), (1470, 61322), (2940, 30661)]