8641260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 26675376

約数和(自身を除く): 18034116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 787, 915, 1098, 1220, 1574, 1830, 2196, 2361, 2745, 3148, 3660, 3935, 4722, 5490, 7083, 7870, 9444, 10980, 11805, 14166, 15740, 23610, 28332, 35415, 47220, 48007, 70830, 96014, 141660, 144021, 192028, 240035, 288042, 432063, 480070, 576084, 720105, 864126, 960140, 1440210, 1728252, 2160315, 2880420, 4320630, 8641260]

約数ペア:

[(1, 8641260), (2, 4320630), (3, 2880420), (4, 2160315), (5, 1728252), (6, 1440210), (9, 960140), (10, 864126), (12, 720105), (15, 576084), (18, 480070), (20, 432063), (30, 288042), (36, 240035), (45, 192028), (60, 144021), (61, 141660), (90, 96014), (122, 70830), (180, 48007), (183, 47220), (244, 35415), (305, 28332), (366, 23610), (549, 15740), (610, 14166), (732, 11805), (787, 10980), (915, 9444), (1098, 7870), (1220, 7083), (1574, 5490), (1830, 4722), (2196, 3935), (2361, 3660), (2745, 3148)]