20211120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3119}}^1$

素因数の和:3144

約数の個数: 100

約数和(自身を含む): 70218720

約数和(自身を除く): 50007600

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, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3119, 3240, 6238, 6480, 9357, 12476, 15595, 18714, 24952, 28071, 31190, 37428, 46785, 49904, 56142, 62380, 74856, 84213, 93570, 112284, 124760, 140355, 149712, 168426, 187140, 224568, 249520, 252639, 280710, 336852, 374280, 421065, 449136, 505278, 561420, 673704, 748560, 842130, 1010556, 1122840, 1263195, 1347408, 1684260, 2021112, 2245680, 2526390, 3368520, 4042224, 5052780, 6737040, 10105560, 20211120]

約数ペア:

[(1, 20211120), (2, 10105560), (3, 6737040), (4, 5052780), (5, 4042224), (6, 3368520), (8, 2526390), (9, 2245680), (10, 2021112), (12, 1684260), (15, 1347408), (16, 1263195), (18, 1122840), (20, 1010556), (24, 842130), (27, 748560), (30, 673704), (36, 561420), (40, 505278), (45, 449136), (48, 421065), (54, 374280), (60, 336852), (72, 280710), (80, 252639), (81, 249520), (90, 224568), (108, 187140), (120, 168426), (135, 149712), (144, 140355), (162, 124760), (180, 112284), (216, 93570), (240, 84213), (270, 74856), (324, 62380), (360, 56142), (405, 49904), (432, 46785), (540, 37428), (648, 31190), (720, 28071), (810, 24952), (1080, 18714), (1296, 15595), (1620, 12476), (2160, 9357), (3119, 6480), (3240, 6238)]