90176940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71569}}^1$

素因数の和:71591

約数の個数: 72

約数和(自身を含む): 312617760

約数和(自身を除く): 222440820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 71569, 143138, 214707, 286276, 357845, 429414, 500983, 644121, 715690, 858828, 1001966, 1073535, 1288242, 1431380, 1502949, 2003932, 2147070, 2504915, 2576484, 3005898, 3220605, 4294140, 4508847, 5009830, 6011796, 6441210, 7514745, 9017694, 10019660, 12882420, 15029490, 18035388, 22544235, 30058980, 45088470, 90176940]

約数ペア:

[(1, 90176940), (2, 45088470), (3, 30058980), (4, 22544235), (5, 18035388), (6, 15029490), (7, 12882420), (9, 10019660), (10, 9017694), (12, 7514745), (14, 6441210), (15, 6011796), (18, 5009830), (20, 4508847), (21, 4294140), (28, 3220605), (30, 3005898), (35, 2576484), (36, 2504915), (42, 2147070), (45, 2003932), (60, 1502949), (63, 1431380), (70, 1288242), (84, 1073535), (90, 1001966), (105, 858828), (126, 715690), (140, 644121), (180, 500983), (210, 429414), (252, 357845), (315, 286276), (420, 214707), (630, 143138), (1260, 71569)]