72813125

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 121461120

約数和(自身を除く): 48647995

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 89, 119, 125, 175, 187, 275, 385, 425, 445, 595, 623, 625, 875, 935, 979, 1309, 1375, 1513, 1925, 2125, 2225, 2975, 3115, 4375, 4675, 4895, 6545, 6853, 6875, 7565, 9625, 10591, 10625, 11125, 14875, 15575, 16643, 23375, 24475, 32725, 34265, 37825, 48125, 52955, 55625, 74375, 77875, 83215, 116501, 116875, 122375, 163625, 171325, 189125, 264775, 389375, 416075, 582505, 611875, 818125, 856625, 945625, 1323875, 2080375, 2912525, 4283125, 6619375, 10401875, 14562625, 72813125]

約数ペア:

[(1, 72813125), (5, 14562625), (7, 10401875), (11, 6619375), (17, 4283125), (25, 2912525), (35, 2080375), (55, 1323875), (77, 945625), (85, 856625), (89, 818125), (119, 611875), (125, 582505), (175, 416075), (187, 389375), (275, 264775), (385, 189125), (425, 171325), (445, 163625), (595, 122375), (623, 116875), (625, 116501), (875, 83215), (935, 77875), (979, 74375), (1309, 55625), (1375, 52955), (1513, 48125), (1925, 37825), (2125, 34265), (2225, 32725), (2975, 24475), (3115, 23375), (4375, 16643), (4675, 15575), (4895, 14875), (6545, 11125), (6853, 10625), (6875, 10591), (7565, 9625)]