66964360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 172627200

約数和(自身を除く): 105662840

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 71, 73, 76, 85, 95, 136, 142, 146, 152, 170, 190, 284, 292, 323, 340, 355, 365, 380, 568, 584, 646, 680, 710, 730, 760, 1207, 1241, 1292, 1349, 1387, 1420, 1460, 1615, 2414, 2482, 2584, 2698, 2774, 2840, 2920, 3230, 4828, 4964, 5183, 5396, 5548, 6035, 6205, 6460, 6745, 6935, 9656, 9928, 10366, 10792, 11096, 12070, 12410, 12920, 13490, 13870, 20732, 22933, 23579, 24140, 24820, 25915, 26980, 27740, 41464, 45866, 47158, 48280, 49640, 51830, 53960, 55480, 88111, 91732, 94316, 98477, 103660, 114665, 117895, 176222, 183464, 188632, 196954, 207320, 229330, 235790, 352444, 393908, 440555, 458660, 471580, 492385, 704888, 787816, 881110, 917320, 943160, 984770, 1674109, 1762220, 1969540, 3348218, 3524440, 3939080, 6696436, 8370545, 13392872, 16741090, 33482180, 66964360]

約数ペア:

[(1, 66964360), (2, 33482180), (4, 16741090), (5, 13392872), (8, 8370545), (10, 6696436), (17, 3939080), (19, 3524440), (20, 3348218), (34, 1969540), (38, 1762220), (40, 1674109), (68, 984770), (71, 943160), (73, 917320), (76, 881110), (85, 787816), (95, 704888), (136, 492385), (142, 471580), (146, 458660), (152, 440555), (170, 393908), (190, 352444), (284, 235790), (292, 229330), (323, 207320), (340, 196954), (355, 188632), (365, 183464), (380, 176222), (568, 117895), (584, 114665), (646, 103660), (680, 98477), (710, 94316), (730, 91732), (760, 88111), (1207, 55480), (1241, 53960), (1292, 51830), (1349, 49640), (1387, 48280), (1420, 47158), (1460, 45866), (1615, 41464), (2414, 27740), (2482, 26980), (2584, 25915), (2698, 24820), (2774, 24140), (2840, 23579), (2920, 22933), (3230, 20732), (4828, 13870), (4964, 13490), (5183, 12920), (5396, 12410), (5548, 12070), (6035, 11096), (6205, 10792), (6460, 10366), (6745, 9928), (6935, 9656)]