90690390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{143953}}^1$

素因数の和:143973

約数の個数: 48

約数和(自身を含む): 269481888

約数和(自身を除く): 178791498

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 143953, 287906, 431859, 719765, 863718, 1007671, 1295577, 1439530, 2015342, 2159295, 2591154, 3023013, 4318590, 5038355, 6046026, 6477885, 9069039, 10076710, 12955770, 15115065, 18138078, 30230130, 45345195, 90690390]

約数ペア:

[(1, 90690390), (2, 45345195), (3, 30230130), (5, 18138078), (6, 15115065), (7, 12955770), (9, 10076710), (10, 9069039), (14, 6477885), (15, 6046026), (18, 5038355), (21, 4318590), (30, 3023013), (35, 2591154), (42, 2159295), (45, 2015342), (63, 1439530), (70, 1295577), (90, 1007671), (105, 863718), (126, 719765), (210, 431859), (315, 287906), (630, 143953)]