28905228720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{40146151}}^1$

素因数の和:40146170

約数の個数: 60

約数和(自身を含む): 97073395536

約数和(自身を除く): 68168166816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 40146151, 80292302, 120438453, 160584604, 200730755, 240876906, 321169208, 361315359, 401461510, 481753812, 602192265, 642338416, 722630718, 802923020, 963507624, 1204384530, 1445261436, 1605846040, 1806576795, 1927015248, 2408769060, 2890522872, 3211692080, 3613153590, 4817538120, 5781045744, 7226307180, 9635076240, 14452614360, 28905228720]

約数ペア:

[(1, 28905228720), (2, 14452614360), (3, 9635076240), (4, 7226307180), (5, 5781045744), (6, 4817538120), (8, 3613153590), (9, 3211692080), (10, 2890522872), (12, 2408769060), (15, 1927015248), (16, 1806576795), (18, 1605846040), (20, 1445261436), (24, 1204384530), (30, 963507624), (36, 802923020), (40, 722630718), (45, 642338416), (48, 602192265), (60, 481753812), (72, 401461510), (80, 361315359), (90, 321169208), (120, 240876906), (144, 200730755), (180, 160584604), (240, 120438453), (360, 80292302), (720, 40146151)]