8420880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2699}}^1$

素因数の和:2728

約数の個数: 80

約数和(自身を含む): 28123200

約数和(自身を除く): 19702320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 2699, 3120, 5398, 8097, 10796, 13495, 16194, 21592, 26990, 32388, 35087, 40485, 43184, 53980, 64776, 70174, 80970, 105261, 107960, 129552, 140348, 161940, 175435, 210522, 215920, 280696, 323880, 350870, 421044, 526305, 561392, 647760, 701740, 842088, 1052610, 1403480, 1684176, 2105220, 2806960, 4210440, 8420880]

約数ペア:

[(1, 8420880), (2, 4210440), (3, 2806960), (4, 2105220), (5, 1684176), (6, 1403480), (8, 1052610), (10, 842088), (12, 701740), (13, 647760), (15, 561392), (16, 526305), (20, 421044), (24, 350870), (26, 323880), (30, 280696), (39, 215920), (40, 210522), (48, 175435), (52, 161940), (60, 140348), (65, 129552), (78, 107960), (80, 105261), (104, 80970), (120, 70174), (130, 64776), (156, 53980), (195, 43184), (208, 40485), (240, 35087), (260, 32388), (312, 26990), (390, 21592), (520, 16194), (624, 13495), (780, 10796), (1040, 8097), (1560, 5398), (2699, 3120)]