66556875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 138555648

約数和(自身を除く): 71998773

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 125, 165, 175, 231, 275, 375, 385, 461, 525, 625, 825, 875, 1155, 1375, 1383, 1875, 1925, 2305, 2625, 3227, 4125, 4375, 5071, 5775, 6875, 6915, 9625, 9681, 11525, 13125, 15213, 16135, 20625, 25355, 28875, 34575, 35497, 48125, 48405, 57625, 76065, 80675, 106491, 126775, 144375, 172875, 177485, 242025, 288125, 380325, 403375, 532455, 633875, 864375, 887425, 1210125, 1901625, 2016875, 2662275, 3169375, 4437125, 6050625, 9508125, 13311375, 22185625, 66556875]

約数ペア:

[(1, 66556875), (3, 22185625), (5, 13311375), (7, 9508125), (11, 6050625), (15, 4437125), (21, 3169375), (25, 2662275), (33, 2016875), (35, 1901625), (55, 1210125), (75, 887425), (77, 864375), (105, 633875), (125, 532455), (165, 403375), (175, 380325), (231, 288125), (275, 242025), (375, 177485), (385, 172875), (461, 144375), (525, 126775), (625, 106491), (825, 80675), (875, 76065), (1155, 57625), (1375, 48405), (1383, 48125), (1875, 35497), (1925, 34575), (2305, 28875), (2625, 25355), (3227, 20625), (4125, 16135), (4375, 15213), (5071, 13125), (5775, 11525), (6875, 9681), (6915, 9625)]