318556560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{189617}}^1$

素因数の和:189640

約数の個数: 80

約数和(自身を含む): 1128606336

約数和(自身を除く): 810049776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 189617, 379234, 568851, 758468, 948085, 1137702, 1327319, 1516936, 1896170, 2275404, 2654638, 2844255, 3033872, 3792340, 3981957, 4550808, 5309276, 5688510, 6636595, 7584680, 7963914, 9101616, 10618552, 11377020, 13273190, 15169360, 15927828, 19909785, 21237104, 22754040, 26546380, 31855656, 39819570, 45508080, 53092760, 63711312, 79639140, 106185520, 159278280, 318556560]

約数ペア:

[(1, 318556560), (2, 159278280), (3, 106185520), (4, 79639140), (5, 63711312), (6, 53092760), (7, 45508080), (8, 39819570), (10, 31855656), (12, 26546380), (14, 22754040), (15, 21237104), (16, 19909785), (20, 15927828), (21, 15169360), (24, 13273190), (28, 11377020), (30, 10618552), (35, 9101616), (40, 7963914), (42, 7584680), (48, 6636595), (56, 5688510), (60, 5309276), (70, 4550808), (80, 3981957), (84, 3792340), (105, 3033872), (112, 2844255), (120, 2654638), (140, 2275404), (168, 1896170), (210, 1516936), (240, 1327319), (280, 1137702), (336, 948085), (420, 758468), (560, 568851), (840, 379234), (1680, 189617)]