28900110120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1\times {\mathrm{967}}^1$

素因数の和:1792

約数の個数: 256

約数和(自身を含む): 101432770560

約数和(自身を除く): 72532660440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 757, 840, 940, 967, 987, 1128, 1316, 1410, 1514, 1645, 1880, 1934, 1974, 2271, 2632, 2820, 2901, 3028, 3290, 3785, 3868, 3948, 4542, 4835, 4935, 5299, 5640, 5802, 6056, 6580, 6769, 7570, 7736, 7896, 9084, 9670, 9870, 10598, 11355, 11604, 13160, 13538, 14505, 15140, 15897, 18168, 19340, 19740, 20307, 21196, 22710, 23208, 26495, 27076, 29010, 30280, 31794, 33845, 35579, 38680, 39480, 40614, 42392, 45420, 45449, 52990, 54152, 58020, 63588, 67690, 71158, 79485, 81228, 90840, 90898, 101535, 105980, 106737, 116040, 127176, 135380, 136347, 142316, 158970, 162456, 177895, 181796, 203070, 211960, 213474, 227245, 249053, 270760, 272694, 284632, 317940, 318143, 355790, 363592, 406140, 426948, 454490, 498106, 533685, 545388, 635880, 636286, 681735, 711580, 732019, 747159, 812280, 853896, 908980, 954429, 996212, 1067370, 1090776, 1245265, 1272572, 1363470, 1423160, 1464038, 1494318, 1590715, 1817960, 1908858, 1992424, 2134740, 2196057, 2490530, 2545144, 2726940, 2928076, 2988636, 3181430, 3660095, 3735795, 3817716, 4269480, 4392114, 4772145, 4981060, 5124133, 5453880, 5856152, 5977272, 6362860, 7320190, 7471590, 7635432, 8784228, 9544290, 9962120, 10248266, 10980285, 12725720, 14640380, 14943180, 15372399, 17568456, 19088580, 20496532, 21960570, 25620665, 29280760, 29886360, 30744798, 34404893, 38177160, 40993064, 43921140, 51241330, 61489596, 68809786, 76861995, 87842280, 102482660, 103214679, 122979192, 137619572, 153723990, 172024465, 204965320, 206429358, 240834251, 275239144, 307447980, 344048930, 412858716, 481668502, 516073395, 614895960, 688097860, 722502753, 825717432, 963337004, 1032146790, 1204171255, 1376195720, 1445005506, 1926674008, 2064293580, 2408342510, 2890011012, 3612513765, 4128587160, 4816685020, 5780022024, 7225027530, 9633370040, 14450055060, 28900110120]

約数ペア:

[(1, 28900110120), (2, 14450055060), (3, 9633370040), (4, 7225027530), (5, 5780022024), (6, 4816685020), (7, 4128587160), (8, 3612513765), (10, 2890011012), (12, 2408342510), (14, 2064293580), (15, 1926674008), (20, 1445005506), (21, 1376195720), (24, 1204171255), (28, 1032146790), (30, 963337004), (35, 825717432), (40, 722502753), (42, 688097860), (47, 614895960), (56, 516073395), (60, 481668502), (70, 412858716), (84, 344048930), (94, 307447980), (105, 275239144), (120, 240834251), (140, 206429358), (141, 204965320), (168, 172024465), (188, 153723990), (210, 137619572), (235, 122979192), (280, 103214679), (282, 102482660), (329, 87842280), (376, 76861995), (420, 68809786), (470, 61489596), (564, 51241330), (658, 43921140), (705, 40993064), (757, 38177160), (840, 34404893), (940, 30744798), (967, 29886360), (987, 29280760), (1128, 25620665), (1316, 21960570), (1410, 20496532), (1514, 19088580), (1645, 17568456), (1880, 15372399), (1934, 14943180), (1974, 14640380), (2271, 12725720), (2632, 10980285), (2820, 10248266), (2901, 9962120), (3028, 9544290), (3290, 8784228), (3785, 7635432), (3868, 7471590), (3948, 7320190), (4542, 6362860), (4835, 5977272), (4935, 5856152), (5299, 5453880), (5640, 5124133), (5802, 4981060), (6056, 4772145), (6580, 4392114), (6769, 4269480), (7570, 3817716), (7736, 3735795), (7896, 3660095), (9084, 3181430), (9670, 2988636), (9870, 2928076), (10598, 2726940), (11355, 2545144), (11604, 2490530), (13160, 2196057), (13538, 2134740), (14505, 1992424), (15140, 1908858), (15897, 1817960), (18168, 1590715), (19340, 1494318), (19740, 1464038), (20307, 1423160), (21196, 1363470), (22710, 1272572), (23208, 1245265), (26495, 1090776), (27076, 1067370), (29010, 996212), (30280, 954429), (31794, 908980), (33845, 853896), (35579, 812280), (38680, 747159), (39480, 732019), (40614, 711580), (42392, 681735), (45420, 636286), (45449, 635880), (52990, 545388), (54152, 533685), (58020, 498106), (63588, 454490), (67690, 426948), (71158, 406140), (79485, 363592), (81228, 355790), (90840, 318143), (90898, 317940), (101535, 284632), (105980, 272694), (106737, 270760), (116040, 249053), (127176, 227245), (135380, 213474), (136347, 211960), (142316, 203070), (158970, 181796), (162456, 177895)]