78147125

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 119488512

約数和(自身を除く): 41341387

約数列:

[1, 5, 7, 25, 31, 35, 43, 67, 125, 155, 175, 215, 217, 301, 335, 469, 775, 875, 1075, 1085, 1333, 1505, 1675, 2077, 2345, 2881, 3875, 5375, 5425, 6665, 7525, 8375, 9331, 10385, 11725, 14405, 14539, 20167, 27125, 33325, 37625, 46655, 51925, 58625, 72025, 72695, 89311, 100835, 166625, 233275, 259625, 360125, 363475, 446555, 504175, 625177, 1166375, 1817375, 2232775, 2520875, 3125885, 11163875, 15629425, 78147125]

約数ペア:

[(1, 78147125), (5, 15629425), (7, 11163875), (25, 3125885), (31, 2520875), (35, 2232775), (43, 1817375), (67, 1166375), (125, 625177), (155, 504175), (175, 446555), (215, 363475), (217, 360125), (301, 259625), (335, 233275), (469, 166625), (775, 100835), (875, 89311), (1075, 72695), (1085, 72025), (1333, 58625), (1505, 51925), (1675, 46655), (2077, 37625), (2345, 33325), (2881, 27125), (3875, 20167), (5375, 14539), (5425, 14405), (6665, 11725), (7525, 10385), (8375, 9331)]