81772080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26209}}^1$

素因数の和:26238

約数の個数: 80

約数和(自身を含む): 273003360

約数和(自身を除く): 191231280

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, 26209, 52418, 78627, 104836, 131045, 157254, 209672, 262090, 314508, 340717, 393135, 419344, 524180, 629016, 681434, 786270, 1022151, 1048360, 1258032, 1362868, 1572540, 1703585, 2044302, 2096720, 2725736, 3145080, 3407170, 4088604, 5110755, 5451472, 6290160, 6814340, 8177208, 10221510, 13628680, 16354416, 20443020, 27257360, 40886040, 81772080]

約数ペア:

[(1, 81772080), (2, 40886040), (3, 27257360), (4, 20443020), (5, 16354416), (6, 13628680), (8, 10221510), (10, 8177208), (12, 6814340), (13, 6290160), (15, 5451472), (16, 5110755), (20, 4088604), (24, 3407170), (26, 3145080), (30, 2725736), (39, 2096720), (40, 2044302), (48, 1703585), (52, 1572540), (60, 1362868), (65, 1258032), (78, 1048360), (80, 1022151), (104, 786270), (120, 681434), (130, 629016), (156, 524180), (195, 419344), (208, 393135), (240, 340717), (260, 314508), (312, 262090), (390, 209672), (520, 157254), (624, 131045), (780, 104836), (1040, 78627), (1560, 52418), (3120, 26209)]