61423440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19687}}^1$

素因数の和:19716

約数の個数: 80

約数和(自身を含む): 205070208

約数和(自身を除く): 143646768

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, 19687, 39374, 59061, 78748, 98435, 118122, 157496, 196870, 236244, 255931, 295305, 314992, 393740, 472488, 511862, 590610, 767793, 787480, 944976, 1023724, 1181220, 1279655, 1535586, 1574960, 2047448, 2362440, 2559310, 3071172, 3838965, 4094896, 4724880, 5118620, 6142344, 7677930, 10237240, 12284688, 15355860, 20474480, 30711720, 61423440]

約数ペア:

[(1, 61423440), (2, 30711720), (3, 20474480), (4, 15355860), (5, 12284688), (6, 10237240), (8, 7677930), (10, 6142344), (12, 5118620), (13, 4724880), (15, 4094896), (16, 3838965), (20, 3071172), (24, 2559310), (26, 2362440), (30, 2047448), (39, 1574960), (40, 1535586), (48, 1279655), (52, 1181220), (60, 1023724), (65, 944976), (78, 787480), (80, 767793), (104, 590610), (120, 511862), (130, 472488), (156, 393740), (195, 314992), (208, 295305), (240, 255931), (260, 236244), (312, 196870), (390, 157496), (520, 118122), (624, 98435), (780, 78748), (1040, 59061), (1560, 39374), (3120, 19687)]