256593480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:844

約数の個数: 256

約数和(自身を含む): 953164800

約数和(自身を除く): 696571320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 19, 20, 22, 24, 26, 30, 33, 38, 39, 40, 44, 52, 55, 57, 60, 65, 66, 76, 78, 88, 95, 104, 110, 114, 120, 130, 132, 143, 152, 156, 165, 190, 195, 209, 220, 228, 247, 260, 264, 285, 286, 312, 330, 380, 390, 418, 429, 440, 456, 494, 520, 570, 572, 627, 660, 715, 741, 760, 780, 787, 836, 858, 988, 1045, 1140, 1144, 1235, 1254, 1320, 1430, 1482, 1560, 1574, 1672, 1716, 1976, 2090, 2145, 2280, 2361, 2470, 2508, 2717, 2860, 2964, 3135, 3148, 3432, 3705, 3935, 4180, 4290, 4722, 4940, 5016, 5434, 5720, 5928, 6270, 6296, 7410, 7870, 8151, 8360, 8580, 8657, 9444, 9880, 10231, 10868, 11805, 12540, 13585, 14820, 14953, 15740, 16302, 17160, 17314, 18888, 20462, 21736, 23610, 25080, 25971, 27170, 29640, 29906, 30693, 31480, 32604, 34628, 40755, 40924, 43285, 44859, 47220, 51155, 51942, 54340, 59812, 61386, 65208, 69256, 74765, 81510, 81848, 86570, 89718, 94440, 102310, 103884, 108680, 112541, 119624, 122772, 129855, 149530, 153465, 163020, 164483, 173140, 179436, 194389, 204620, 207768, 224295, 225082, 245544, 259710, 299060, 306930, 326040, 328966, 337623, 346280, 358872, 388778, 409240, 448590, 450164, 493449, 519420, 562705, 583167, 598120, 613860, 657932, 675246, 777556, 822415, 897180, 900328, 971945, 986898, 1038840, 1125410, 1166334, 1227720, 1315864, 1350492, 1555112, 1644830, 1688115, 1794360, 1943890, 1973796, 2138279, 2250820, 2332668, 2467245, 2700984, 2915835, 3289660, 3376230, 3887780, 3947592, 4276558, 4501640, 4665336, 4934490, 5831670, 6414837, 6579320, 6752460, 7775560, 8553116, 9868980, 10691395, 11663340, 12829674, 13504920, 17106232, 19737960, 21382790, 23326680, 25659348, 32074185, 42765580, 51318696, 64148370, 85531160, 128296740, 256593480]

約数ペア:

[(1, 256593480), (2, 128296740), (3, 85531160), (4, 64148370), (5, 51318696), (6, 42765580), (8, 32074185), (10, 25659348), (11, 23326680), (12, 21382790), (13, 19737960), (15, 17106232), (19, 13504920), (20, 12829674), (22, 11663340), (24, 10691395), (26, 9868980), (30, 8553116), (33, 7775560), (38, 6752460), (39, 6579320), (40, 6414837), (44, 5831670), (52, 4934490), (55, 4665336), (57, 4501640), (60, 4276558), (65, 3947592), (66, 3887780), (76, 3376230), (78, 3289660), (88, 2915835), (95, 2700984), (104, 2467245), (110, 2332668), (114, 2250820), (120, 2138279), (130, 1973796), (132, 1943890), (143, 1794360), (152, 1688115), (156, 1644830), (165, 1555112), (190, 1350492), (195, 1315864), (209, 1227720), (220, 1166334), (228, 1125410), (247, 1038840), (260, 986898), (264, 971945), (285, 900328), (286, 897180), (312, 822415), (330, 777556), (380, 675246), (390, 657932), (418, 613860), (429, 598120), (440, 583167), (456, 562705), (494, 519420), (520, 493449), (570, 450164), (572, 448590), (627, 409240), (660, 388778), (715, 358872), (741, 346280), (760, 337623), (780, 328966), (787, 326040), (836, 306930), (858, 299060), (988, 259710), (1045, 245544), (1140, 225082), (1144, 224295), (1235, 207768), (1254, 204620), (1320, 194389), (1430, 179436), (1482, 173140), (1560, 164483), (1574, 163020), (1672, 153465), (1716, 149530), (1976, 129855), (2090, 122772), (2145, 119624), (2280, 112541), (2361, 108680), (2470, 103884), (2508, 102310), (2717, 94440), (2860, 89718), (2964, 86570), (3135, 81848), (3148, 81510), (3432, 74765), (3705, 69256), (3935, 65208), (4180, 61386), (4290, 59812), (4722, 54340), (4940, 51942), (5016, 51155), (5434, 47220), (5720, 44859), (5928, 43285), (6270, 40924), (6296, 40755), (7410, 34628), (7870, 32604), (8151, 31480), (8360, 30693), (8580, 29906), (8657, 29640), (9444, 27170), (9880, 25971), (10231, 25080), (10868, 23610), (11805, 21736), (12540, 20462), (13585, 18888), (14820, 17314), (14953, 17160), (15740, 16302)]