90907320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{108223}}^1$

素因数の和:108244

約数の個数: 64

約数和(自身を含む): 311685120

約数和(自身を除く): 220777800

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, 280, 420, 840, 108223, 216446, 324669, 432892, 541115, 649338, 757561, 865784, 1082230, 1298676, 1515122, 1623345, 2164460, 2272683, 2597352, 3030244, 3246690, 3787805, 4328920, 4545366, 6060488, 6493380, 7575610, 9090732, 11363415, 12986760, 15151220, 18181464, 22726830, 30302440, 45453660, 90907320]

約数ペア:

[(1, 90907320), (2, 45453660), (3, 30302440), (4, 22726830), (5, 18181464), (6, 15151220), (7, 12986760), (8, 11363415), (10, 9090732), (12, 7575610), (14, 6493380), (15, 6060488), (20, 4545366), (21, 4328920), (24, 3787805), (28, 3246690), (30, 3030244), (35, 2597352), (40, 2272683), (42, 2164460), (56, 1623345), (60, 1515122), (70, 1298676), (84, 1082230), (105, 865784), (120, 757561), (140, 649338), (168, 541115), (210, 432892), (280, 324669), (420, 216446), (840, 108223)]