81422010

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 235947816

約数和(自身を除く): 154525806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 73, 81, 85, 90, 102, 135, 146, 153, 162, 170, 219, 243, 255, 270, 306, 365, 405, 438, 459, 486, 510, 657, 729, 730, 765, 810, 918, 1095, 1215, 1241, 1314, 1377, 1458, 1530, 1971, 2187, 2190, 2295, 2430, 2482, 2754, 3285, 3645, 3723, 3942, 4131, 4374, 4590, 5913, 6205, 6561, 6570, 6885, 7290, 7446, 8262, 9855, 10935, 11169, 11826, 12393, 12410, 13122, 13770, 17739, 18615, 19710, 20655, 21870, 22338, 24786, 29565, 32805, 33507, 35478, 37179, 37230, 41310, 53217, 55845, 59130, 61965, 65610, 67014, 74358, 88695, 100521, 106434, 111537, 111690, 123930, 159651, 167535, 177390, 185895, 201042, 223074, 266085, 301563, 319302, 335070, 371790, 478953, 502605, 532170, 557685, 603126, 798255, 904689, 957906, 1005210, 1115370, 1507815, 1596510, 1809378, 2394765, 2714067, 3015630, 4523445, 4789530, 5428134, 8142201, 9046890, 13570335, 16284402, 27140670, 40711005, 81422010]

約数ペア:

[(1, 81422010), (2, 40711005), (3, 27140670), (5, 16284402), (6, 13570335), (9, 9046890), (10, 8142201), (15, 5428134), (17, 4789530), (18, 4523445), (27, 3015630), (30, 2714067), (34, 2394765), (45, 1809378), (51, 1596510), (54, 1507815), (73, 1115370), (81, 1005210), (85, 957906), (90, 904689), (102, 798255), (135, 603126), (146, 557685), (153, 532170), (162, 502605), (170, 478953), (219, 371790), (243, 335070), (255, 319302), (270, 301563), (306, 266085), (365, 223074), (405, 201042), (438, 185895), (459, 177390), (486, 167535), (510, 159651), (657, 123930), (729, 111690), (730, 111537), (765, 106434), (810, 100521), (918, 88695), (1095, 74358), (1215, 67014), (1241, 65610), (1314, 61965), (1377, 59130), (1458, 55845), (1530, 53217), (1971, 41310), (2187, 37230), (2190, 37179), (2295, 35478), (2430, 33507), (2482, 32805), (2754, 29565), (3285, 24786), (3645, 22338), (3723, 21870), (3942, 20655), (4131, 19710), (4374, 18615), (4590, 17739), (5913, 13770), (6205, 13122), (6561, 12410), (6570, 12393), (6885, 11826), (7290, 11169), (7446, 10935), (8262, 9855)]