20785680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9623}}^1$

素因数の和:9645

約数の個数: 80

約数和(自身を含む): 71602560

約数和(自身を除く): 50816880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9623, 19246, 28869, 38492, 48115, 57738, 76984, 86607, 96230, 115476, 144345, 153968, 173214, 192460, 230952, 259821, 288690, 346428, 384920, 433035, 461904, 519642, 577380, 692856, 769840, 866070, 1039284, 1154760, 1299105, 1385712, 1732140, 2078568, 2309520, 2598210, 3464280, 4157136, 5196420, 6928560, 10392840, 20785680]

約数ペア:

[(1, 20785680), (2, 10392840), (3, 6928560), (4, 5196420), (5, 4157136), (6, 3464280), (8, 2598210), (9, 2309520), (10, 2078568), (12, 1732140), (15, 1385712), (16, 1299105), (18, 1154760), (20, 1039284), (24, 866070), (27, 769840), (30, 692856), (36, 577380), (40, 519642), (45, 461904), (48, 433035), (54, 384920), (60, 346428), (72, 288690), (80, 259821), (90, 230952), (108, 192460), (120, 173214), (135, 153968), (144, 144345), (180, 115476), (216, 96230), (240, 86607), (270, 76984), (360, 57738), (432, 48115), (540, 38492), (720, 28869), (1080, 19246), (2160, 9623)]