19620120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12577}}^1$

素因数の和:12604

約数の個数: 64

約数和(自身を含む): 63393120

約数和(自身を除く): 43773000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12577, 25154, 37731, 50308, 62885, 75462, 100616, 125770, 150924, 163501, 188655, 251540, 301848, 327002, 377310, 490503, 503080, 654004, 754620, 817505, 981006, 1308008, 1509240, 1635010, 1962012, 2452515, 3270020, 3924024, 4905030, 6540040, 9810060, 19620120]

約数ペア:

[(1, 19620120), (2, 9810060), (3, 6540040), (4, 4905030), (5, 3924024), (6, 3270020), (8, 2452515), (10, 1962012), (12, 1635010), (13, 1509240), (15, 1308008), (20, 981006), (24, 817505), (26, 754620), (30, 654004), (39, 503080), (40, 490503), (52, 377310), (60, 327002), (65, 301848), (78, 251540), (104, 188655), (120, 163501), (130, 150924), (156, 125770), (195, 100616), (260, 75462), (312, 62885), (390, 50308), (520, 37731), (780, 25154), (1560, 12577)]