1321504080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{423559}}^1$

素因数の和:423588

約数の個数: 80

約数和(自身を含む): 4411800960

約数和(自身を除く): 3090296880

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, 3120, 423559, 847118, 1270677, 1694236, 2117795, 2541354, 3388472, 4235590, 5082708, 5506267, 6353385, 6776944, 8471180, 10165416, 11012534, 12706770, 16518801, 16942360, 20330832, 22025068, 25413540, 27531335, 33037602, 33884720, 44050136, 50827080, 55062670, 66075204, 82594005, 88100272, 101654160, 110125340, 132150408, 165188010, 220250680, 264300816, 330376020, 440501360, 660752040, 1321504080]

約数ペア:

[(1, 1321504080), (2, 660752040), (3, 440501360), (4, 330376020), (5, 264300816), (6, 220250680), (8, 165188010), (10, 132150408), (12, 110125340), (13, 101654160), (15, 88100272), (16, 82594005), (20, 66075204), (24, 55062670), (26, 50827080), (30, 44050136), (39, 33884720), (40, 33037602), (48, 27531335), (52, 25413540), (60, 22025068), (65, 20330832), (78, 16942360), (80, 16518801), (104, 12706770), (120, 11012534), (130, 10165416), (156, 8471180), (195, 6776944), (208, 6353385), (240, 5506267), (260, 5082708), (312, 4235590), (390, 3388472), (520, 2541354), (624, 2117795), (780, 1694236), (1040, 1270677), (1560, 847118), (3120, 423559)]