128296875

素因数分解:

$3^1\times 5^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 112

約数和(自身を含む): 269996544

約数和(自身を除く): 141699669

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 25, 35, 51, 69, 75, 85, 105, 115, 119, 125, 161, 175, 255, 345, 357, 375, 391, 425, 483, 525, 575, 595, 625, 805, 875, 1173, 1275, 1725, 1785, 1875, 1955, 2125, 2415, 2625, 2737, 2875, 2975, 3125, 4025, 4375, 5865, 6375, 8211, 8625, 8925, 9375, 9775, 10625, 12075, 13125, 13685, 14375, 14875, 15625, 20125, 21875, 29325, 31875, 41055, 43125, 44625, 46875, 48875, 53125, 60375, 65625, 68425, 71875, 74375, 100625, 109375, 146625, 159375, 205275, 215625, 223125, 244375, 265625, 301875, 328125, 342125, 359375, 371875, 503125, 733125, 796875, 1026375, 1078125, 1115625, 1221875, 1509375, 1710625, 1859375, 2515625, 3665625, 5131875, 5578125, 6109375, 7546875, 8553125, 18328125, 25659375, 42765625, 128296875]

約数ペア:

[(1, 128296875), (3, 42765625), (5, 25659375), (7, 18328125), (15, 8553125), (17, 7546875), (21, 6109375), (23, 5578125), (25, 5131875), (35, 3665625), (51, 2515625), (69, 1859375), (75, 1710625), (85, 1509375), (105, 1221875), (115, 1115625), (119, 1078125), (125, 1026375), (161, 796875), (175, 733125), (255, 503125), (345, 371875), (357, 359375), (375, 342125), (391, 328125), (425, 301875), (483, 265625), (525, 244375), (575, 223125), (595, 215625), (625, 205275), (805, 159375), (875, 146625), (1173, 109375), (1275, 100625), (1725, 74375), (1785, 71875), (1875, 68425), (1955, 65625), (2125, 60375), (2415, 53125), (2625, 48875), (2737, 46875), (2875, 44625), (2975, 43125), (3125, 41055), (4025, 31875), (4375, 29325), (5865, 21875), (6375, 20125), (8211, 15625), (8625, 14875), (8925, 14375), (9375, 13685), (9775, 13125), (10625, 12075)]