81446472

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 242774400

約数和(自身を除く): 161327928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 43, 54, 72, 74, 79, 81, 86, 108, 111, 129, 148, 158, 162, 172, 216, 222, 237, 258, 296, 316, 324, 333, 344, 387, 444, 474, 516, 632, 648, 666, 711, 774, 888, 948, 999, 1032, 1161, 1332, 1422, 1548, 1591, 1896, 1998, 2133, 2322, 2664, 2844, 2923, 2997, 3096, 3182, 3397, 3483, 3996, 4266, 4644, 4773, 5688, 5846, 5994, 6364, 6399, 6794, 6966, 7992, 8532, 8769, 9288, 9546, 10191, 11692, 11988, 12728, 12798, 13588, 13932, 14319, 17064, 17538, 19092, 20382, 23384, 23976, 25596, 26307, 27176, 27864, 28638, 30573, 35076, 38184, 40764, 42957, 51192, 52614, 57276, 61146, 70152, 78921, 81528, 85914, 91719, 105228, 114552, 122292, 125689, 128871, 157842, 171828, 183438, 210456, 236763, 244584, 251378, 257742, 275157, 315684, 343656, 366876, 377067, 473526, 502756, 515484, 550314, 631368, 733752, 754134, 947052, 1005512, 1030968, 1100628, 1131201, 1508268, 1894104, 2201256, 2262402, 3016536, 3393603, 4524804, 6787206, 9049608, 10180809, 13574412, 20361618, 27148824, 40723236, 81446472]

約数ペア:

[(1, 81446472), (2, 40723236), (3, 27148824), (4, 20361618), (6, 13574412), (8, 10180809), (9, 9049608), (12, 6787206), (18, 4524804), (24, 3393603), (27, 3016536), (36, 2262402), (37, 2201256), (43, 1894104), (54, 1508268), (72, 1131201), (74, 1100628), (79, 1030968), (81, 1005512), (86, 947052), (108, 754134), (111, 733752), (129, 631368), (148, 550314), (158, 515484), (162, 502756), (172, 473526), (216, 377067), (222, 366876), (237, 343656), (258, 315684), (296, 275157), (316, 257742), (324, 251378), (333, 244584), (344, 236763), (387, 210456), (444, 183438), (474, 171828), (516, 157842), (632, 128871), (648, 125689), (666, 122292), (711, 114552), (774, 105228), (888, 91719), (948, 85914), (999, 81528), (1032, 78921), (1161, 70152), (1332, 61146), (1422, 57276), (1548, 52614), (1591, 51192), (1896, 42957), (1998, 40764), (2133, 38184), (2322, 35076), (2664, 30573), (2844, 28638), (2923, 27864), (2997, 27176), (3096, 26307), (3182, 25596), (3397, 23976), (3483, 23384), (3996, 20382), (4266, 19092), (4644, 17538), (4773, 17064), (5688, 14319), (5846, 13932), (5994, 13588), (6364, 12798), (6399, 12728), (6794, 11988), (6966, 11692), (7992, 10191), (8532, 9546), (8769, 9288)]