68777625

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 140849280

約数和(自身を除く): 72071655

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 125, 133, 147, 175, 197, 245, 285, 375, 399, 475, 525, 591, 665, 735, 875, 931, 985, 1225, 1379, 1425, 1995, 2375, 2625, 2793, 2955, 3325, 3675, 3743, 4137, 4655, 4925, 6125, 6895, 7125, 9653, 9975, 11229, 13965, 14775, 16625, 18375, 18715, 20685, 23275, 24625, 26201, 28959, 34475, 48265, 49875, 56145, 69825, 73875, 78603, 93575, 103425, 116375, 131005, 144795, 172375, 183407, 241325, 280725, 349125, 393015, 467875, 517125, 550221, 655025, 723975, 917035, 1206625, 1403625, 1965075, 2751105, 3275125, 3619875, 4585175, 9825375, 13755525, 22925875, 68777625]

約数ペア:

[(1, 68777625), (3, 22925875), (5, 13755525), (7, 9825375), (15, 4585175), (19, 3619875), (21, 3275125), (25, 2751105), (35, 1965075), (49, 1403625), (57, 1206625), (75, 917035), (95, 723975), (105, 655025), (125, 550221), (133, 517125), (147, 467875), (175, 393015), (197, 349125), (245, 280725), (285, 241325), (375, 183407), (399, 172375), (475, 144795), (525, 131005), (591, 116375), (665, 103425), (735, 93575), (875, 78603), (931, 73875), (985, 69825), (1225, 56145), (1379, 49875), (1425, 48265), (1995, 34475), (2375, 28959), (2625, 26201), (2793, 24625), (2955, 23275), (3325, 20685), (3675, 18715), (3743, 18375), (4137, 16625), (4655, 14775), (4925, 13965), (6125, 11229), (6895, 9975), (7125, 9653)]