81367290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14821}}^1$

素因数の和:14895

約数の個数: 48

約数和(自身を含む): 215037576

約数和(自身を除く): 133670286

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 14821, 29642, 44463, 74105, 88926, 133389, 148210, 222315, 266778, 444630, 666945, 904081, 1333890, 1808162, 2712243, 4520405, 5424486, 8136729, 9040810, 13561215, 16273458, 27122430, 40683645, 81367290]

約数ペア:

[(1, 81367290), (2, 40683645), (3, 27122430), (5, 16273458), (6, 13561215), (9, 9040810), (10, 8136729), (15, 5424486), (18, 4520405), (30, 2712243), (45, 1808162), (61, 1333890), (90, 904081), (122, 666945), (183, 444630), (305, 266778), (366, 222315), (549, 148210), (610, 133389), (915, 88926), (1098, 74105), (1830, 44463), (2745, 29642), (5490, 14821)]