About the Number

8128890

8128889 ← → 8128891

2進数表記:11111000000100101111010

漢数字表記:八百十二万八千八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 7 1 × 11 1 × 17 1 × 23 1

素因数の和:74
約数の個数: 256
約数和(自身を含む): 29859840
約数和(自身を除く): 21730950

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 23, 27, 30, 33, 34, 35, 42, 45, 46, 51, 54, 55, 63, 66, 69, 70, 77, 85, 90, 99, 102, 105, 110, 115, 119, 126, 135, 138, 153, 154, 161, 165, 170, 187, 189, 198, 207, 210, 230, 231, 238, 253, 255, 270, 297, 306, 315, 322, 330, 345, 357, 374, 378, 385, 391, 414, 459, 462, 483, 495, 506, 510, 561, 594, 595, 621, 630, 690, 693, 714, 759, 765, 770, 782, 805, 918, 935, 945, 966, 990, 1035, 1071, 1122, 1155, 1173, 1190, 1242, 1265, 1309, 1386, 1449, 1485, 1518, 1530, 1610, 1683, 1771, 1785, 1870, 1890, 1955, 2070, 2079, 2142, 2277, 2295, 2310, 2346, 2415, 2530, 2618, 2737, 2805, 2898, 2970, 3105, 3213, 3366, 3465, 3519, 3542, 3570, 3795, 3910, 3927, 4158, 4301, 4347, 4554, 4590, 4830, 5049, 5313, 5355, 5474, 5610, 5865, 6210, 6426, 6545, 6831, 6930, 7038, 7245, 7590, 7854, 8211, 8415, 8602, 8694, 8855, 10098, 10395, 10557, 10626, 10710, 11385, 11730, 11781, 12903, 13090, 13662, 13685, 14490, 15939, 16065, 16422, 16830, 17595, 17710, 19635, 20790, 21114, 21505, 21735, 22770, 23562, 24633, 25245, 25806, 26565, 27370, 30107, 31878, 32130, 34155, 35190, 35343, 38709, 39270, 41055, 43010, 43470, 47817, 49266, 50490, 52785, 53130, 58905, 60214, 64515, 68310, 70686, 73899, 77418, 79695, 82110, 90321, 95634, 105570, 116127, 117810, 123165, 129030, 147798, 150535, 159390, 176715, 180642, 193545, 232254, 239085, 246330, 270963, 301070, 353430, 369495, 387090, 451605, 478170, 541926, 580635, 738990, 812889, 903210, 1161270, 1354815, 1625778, 2709630, 4064445, 8128890]

約数ペア:
[(1, 8128890), (2, 4064445), (3, 2709630), (5, 1625778), (6, 1354815), (7, 1161270), (9, 903210), (10, 812889), (11, 738990), (14, 580635), (15, 541926), (17, 478170), (18, 451605), (21, 387090), (22, 369495), (23, 353430), (27, 301070), (30, 270963), (33, 246330), (34, 239085), (35, 232254), (42, 193545), (45, 180642), (46, 176715), (51, 159390), (54, 150535), (55, 147798), (63, 129030), (66, 123165), (69, 117810), (70, 116127), (77, 105570), (85, 95634), (90, 90321), (99, 82110), (102, 79695), (105, 77418), (110, 73899), (115, 70686), (119, 68310), (126, 64515), (135, 60214), (138, 58905), (153, 53130), (154, 52785), (161, 50490), (165, 49266), (170, 47817), (187, 43470), (189, 43010), (198, 41055), (207, 39270), (210, 38709), (230, 35343), (231, 35190), (238, 34155), (253, 32130), (255, 31878), (270, 30107), (297, 27370), (306, 26565), (315, 25806), (322, 25245), (330, 24633), (345, 23562), (357, 22770), (374, 21735), (378, 21505), (385, 21114), (391, 20790), (414, 19635), (459, 17710), (462, 17595), (483, 16830), (495, 16422), (506, 16065), (510, 15939), (561, 14490), (594, 13685), (595, 13662), (621, 13090), (630, 12903), (690, 11781), (693, 11730), (714, 11385), (759, 10710), (765, 10626), (770, 10557), (782, 10395), (805, 10098), (918, 8855), (935, 8694), (945, 8602), (966, 8415), (990, 8211), (1035, 7854), (1071, 7590), (1122, 7245), (1155, 7038), (1173, 6930), (1190, 6831), (1242, 6545), (1265, 6426), (1309, 6210), (1386, 5865), (1449, 5610), (1485, 5474), (1518, 5355), (1530, 5313), (1610, 5049), (1683, 4830), (1771, 4590), (1785, 4554), (1870, 4347), (1890, 4301), (1955, 4158), (2070, 3927), (2079, 3910), (2142, 3795), (2277, 3570), (2295, 3542), (2310, 3519), (2346, 3465), (2415, 3366), (2530, 3213), (2618, 3105), (2737, 2970), (2805, 2898)]

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