81432540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 240

約数和(自身を含む): 300529152

約数和(自身を除く): 219096612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 81, 84, 86, 90, 105, 108, 126, 129, 135, 140, 162, 167, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 324, 334, 378, 387, 405, 420, 430, 501, 516, 540, 567, 602, 630, 645, 668, 756, 774, 810, 835, 860, 903, 945, 1002, 1134, 1161, 1169, 1204, 1260, 1290, 1503, 1505, 1548, 1620, 1670, 1806, 1890, 1935, 2004, 2268, 2322, 2338, 2505, 2580, 2709, 2835, 3006, 3010, 3340, 3483, 3507, 3612, 3780, 3870, 4509, 4515, 4644, 4676, 5010, 5418, 5670, 5805, 5845, 6012, 6020, 6966, 7014, 7181, 7515, 7740, 8127, 9018, 9030, 10020, 10521, 10836, 11340, 11610, 11690, 13527, 13545, 13932, 14028, 14362, 15030, 16254, 17415, 17535, 18036, 18060, 21042, 21543, 22545, 23220, 23380, 24381, 27054, 27090, 28724, 30060, 31563, 32508, 34830, 35070, 35905, 40635, 42084, 43086, 45090, 48762, 50267, 52605, 54108, 54180, 63126, 64629, 67635, 69660, 70140, 71810, 81270, 86172, 90180, 94689, 97524, 100534, 105210, 107715, 121905, 126252, 129258, 135270, 143620, 150801, 157815, 162540, 189378, 193887, 201068, 210420, 215430, 243810, 251335, 258516, 270540, 301602, 315630, 323145, 378756, 387774, 430860, 452403, 473445, 487620, 502670, 581661, 603204, 631260, 646290, 754005, 775548, 904806, 946890, 969435, 1005340, 1163322, 1292580, 1357209, 1508010, 1809612, 1893780, 1938870, 2262015, 2326644, 2714418, 2908305, 3016020, 3877740, 4071627, 4524030, 5428836, 5816610, 6786045, 8143254, 9048060, 11633220, 13572090, 16286508, 20358135, 27144180, 40716270, 81432540]

約数ペア:

[(1, 81432540), (2, 40716270), (3, 27144180), (4, 20358135), (5, 16286508), (6, 13572090), (7, 11633220), (9, 9048060), (10, 8143254), (12, 6786045), (14, 5816610), (15, 5428836), (18, 4524030), (20, 4071627), (21, 3877740), (27, 3016020), (28, 2908305), (30, 2714418), (35, 2326644), (36, 2262015), (42, 1938870), (43, 1893780), (45, 1809612), (54, 1508010), (60, 1357209), (63, 1292580), (70, 1163322), (81, 1005340), (84, 969435), (86, 946890), (90, 904806), (105, 775548), (108, 754005), (126, 646290), (129, 631260), (135, 603204), (140, 581661), (162, 502670), (167, 487620), (172, 473445), (180, 452403), (189, 430860), (210, 387774), (215, 378756), (252, 323145), (258, 315630), (270, 301602), (301, 270540), (315, 258516), (324, 251335), (334, 243810), (378, 215430), (387, 210420), (405, 201068), (420, 193887), (430, 189378), (501, 162540), (516, 157815), (540, 150801), (567, 143620), (602, 135270), (630, 129258), (645, 126252), (668, 121905), (756, 107715), (774, 105210), (810, 100534), (835, 97524), (860, 94689), (903, 90180), (945, 86172), (1002, 81270), (1134, 71810), (1161, 70140), (1169, 69660), (1204, 67635), (1260, 64629), (1290, 63126), (1503, 54180), (1505, 54108), (1548, 52605), (1620, 50267), (1670, 48762), (1806, 45090), (1890, 43086), (1935, 42084), (2004, 40635), (2268, 35905), (2322, 35070), (2338, 34830), (2505, 32508), (2580, 31563), (2709, 30060), (2835, 28724), (3006, 27090), (3010, 27054), (3340, 24381), (3483, 23380), (3507, 23220), (3612, 22545), (3780, 21543), (3870, 21042), (4509, 18060), (4515, 18036), (4644, 17535), (4676, 17415), (5010, 16254), (5418, 15030), (5670, 14362), (5805, 14028), (5845, 13932), (6012, 13545), (6020, 13527), (6966, 11690), (7014, 11610), (7181, 11340), (7515, 10836), (7740, 10521), (8127, 10020), (9018, 9030)]