65585625

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 131957760

約数和(自身を除く): 66372135

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 263, 285, 375, 399, 475, 525, 625, 665, 789, 875, 1315, 1425, 1841, 1875, 1995, 2375, 2625, 3325, 3945, 4375, 4997, 5523, 6575, 7125, 9205, 9975, 11875, 13125, 14991, 16625, 19725, 24985, 27615, 32875, 34979, 35625, 46025, 49875, 74955, 83125, 98625, 104937, 124925, 138075, 164375, 174895, 230125, 249375, 374775, 493125, 524685, 624625, 690375, 874475, 1150625, 1873875, 2623425, 3123125, 3451875, 4372375, 9369375, 13117125, 21861875, 65585625]

約数ペア:

[(1, 65585625), (3, 21861875), (5, 13117125), (7, 9369375), (15, 4372375), (19, 3451875), (21, 3123125), (25, 2623425), (35, 1873875), (57, 1150625), (75, 874475), (95, 690375), (105, 624625), (125, 524685), (133, 493125), (175, 374775), (263, 249375), (285, 230125), (375, 174895), (399, 164375), (475, 138075), (525, 124925), (625, 104937), (665, 98625), (789, 83125), (875, 74955), (1315, 49875), (1425, 46025), (1841, 35625), (1875, 34979), (1995, 32875), (2375, 27615), (2625, 24985), (3325, 19725), (3945, 16625), (4375, 14991), (4997, 13125), (5523, 11875), (6575, 9975), (7125, 9205)]