72971340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{93553}}^1$

素因数の和:93578

約数の個数: 48

約数和(自身を含む): 220039008

約数和(自身を除く): 147067668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 93553, 187106, 280659, 374212, 467765, 561318, 935530, 1122636, 1216189, 1403295, 1871060, 2432378, 2806590, 3648567, 4864756, 5613180, 6080945, 7297134, 12161890, 14594268, 18242835, 24323780, 36485670, 72971340]

約数ペア:

[(1, 72971340), (2, 36485670), (3, 24323780), (4, 18242835), (5, 14594268), (6, 12161890), (10, 7297134), (12, 6080945), (13, 5613180), (15, 4864756), (20, 3648567), (26, 2806590), (30, 2432378), (39, 1871060), (52, 1403295), (60, 1216189), (65, 1122636), (78, 935530), (130, 561318), (156, 467765), (195, 374212), (260, 280659), (390, 187106), (780, 93553)]