51514760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 137168640

約数和(自身を除く): 85653880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 71, 85, 88, 97, 110, 136, 142, 170, 187, 194, 220, 284, 340, 355, 374, 388, 440, 485, 568, 680, 710, 748, 776, 781, 935, 970, 1067, 1207, 1420, 1496, 1562, 1649, 1870, 1940, 2134, 2414, 2840, 3124, 3298, 3740, 3880, 3905, 4268, 4828, 5335, 6035, 6248, 6596, 6887, 7480, 7810, 8245, 8536, 9656, 10670, 12070, 13192, 13277, 13774, 15620, 16490, 18139, 21340, 24140, 26554, 27548, 31240, 32980, 34435, 36278, 42680, 48280, 53108, 55096, 65960, 66385, 68870, 72556, 75757, 90695, 106216, 117079, 132770, 137740, 145112, 151514, 181390, 234158, 265540, 275480, 303028, 362780, 378785, 468316, 531080, 585395, 606056, 725560, 757570, 936632, 1170790, 1287869, 1515140, 2341580, 2575738, 3030280, 4683160, 5151476, 6439345, 10302952, 12878690, 25757380, 51514760]

約数ペア:

[(1, 51514760), (2, 25757380), (4, 12878690), (5, 10302952), (8, 6439345), (10, 5151476), (11, 4683160), (17, 3030280), (20, 2575738), (22, 2341580), (34, 1515140), (40, 1287869), (44, 1170790), (55, 936632), (68, 757570), (71, 725560), (85, 606056), (88, 585395), (97, 531080), (110, 468316), (136, 378785), (142, 362780), (170, 303028), (187, 275480), (194, 265540), (220, 234158), (284, 181390), (340, 151514), (355, 145112), (374, 137740), (388, 132770), (440, 117079), (485, 106216), (568, 90695), (680, 75757), (710, 72556), (748, 68870), (776, 66385), (781, 65960), (935, 55096), (970, 53108), (1067, 48280), (1207, 42680), (1420, 36278), (1496, 34435), (1562, 32980), (1649, 31240), (1870, 27548), (1940, 26554), (2134, 24140), (2414, 21340), (2840, 18139), (3124, 16490), (3298, 15620), (3740, 13774), (3880, 13277), (3905, 13192), (4268, 12070), (4828, 10670), (5335, 9656), (6035, 8536), (6248, 8245), (6596, 7810), (6887, 7480)]