21676680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20071}}^1$

素因数の和:20091

約数の個数: 64

約数和(自身を含む): 72259200

約数和(自身を除く): 50582520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20071, 40142, 60213, 80284, 100355, 120426, 160568, 180639, 200710, 240852, 301065, 361278, 401420, 481704, 541917, 602130, 722556, 802840, 903195, 1083834, 1204260, 1445112, 1806390, 2167668, 2408520, 2709585, 3612780, 4335336, 5419170, 7225560, 10838340, 21676680]

約数ペア:

[(1, 21676680), (2, 10838340), (3, 7225560), (4, 5419170), (5, 4335336), (6, 3612780), (8, 2709585), (9, 2408520), (10, 2167668), (12, 1806390), (15, 1445112), (18, 1204260), (20, 1083834), (24, 903195), (27, 802840), (30, 722556), (36, 602130), (40, 541917), (45, 481704), (54, 401420), (60, 361278), (72, 301065), (90, 240852), (108, 200710), (120, 180639), (135, 160568), (180, 120426), (216, 100355), (270, 80284), (360, 60213), (540, 40142), (1080, 20071)]