81331290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 160

約数和(自身を含む): 234178560

約数和(自身を除く): 152847270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 41, 45, 54, 62, 79, 81, 82, 90, 93, 123, 135, 155, 158, 162, 186, 205, 237, 246, 270, 279, 310, 369, 395, 405, 410, 465, 474, 558, 615, 711, 738, 790, 810, 837, 930, 1107, 1185, 1230, 1271, 1395, 1422, 1674, 1845, 2133, 2214, 2370, 2449, 2511, 2542, 2790, 3239, 3321, 3555, 3690, 3813, 4185, 4266, 4898, 5022, 5535, 6355, 6399, 6478, 6642, 7110, 7347, 7626, 8370, 9717, 10665, 11070, 11439, 12245, 12555, 12710, 12798, 14694, 16195, 16605, 19065, 19434, 21330, 22041, 22878, 24490, 25110, 29151, 31995, 32390, 33210, 34317, 36735, 38130, 44082, 48585, 57195, 58302, 63990, 66123, 68634, 73470, 87453, 97170, 100409, 102951, 110205, 114390, 132246, 145755, 171585, 174906, 198369, 200818, 205902, 220410, 262359, 291510, 301227, 330615, 343170, 396738, 437265, 502045, 514755, 524718, 602454, 661230, 874530, 903681, 991845, 1004090, 1029510, 1311795, 1506135, 1807362, 1983690, 2623590, 2711043, 3012270, 4518405, 5422086, 8133129, 9036810, 13555215, 16266258, 27110430, 40665645, 81331290]

約数ペア:

[(1, 81331290), (2, 40665645), (3, 27110430), (5, 16266258), (6, 13555215), (9, 9036810), (10, 8133129), (15, 5422086), (18, 4518405), (27, 3012270), (30, 2711043), (31, 2623590), (41, 1983690), (45, 1807362), (54, 1506135), (62, 1311795), (79, 1029510), (81, 1004090), (82, 991845), (90, 903681), (93, 874530), (123, 661230), (135, 602454), (155, 524718), (158, 514755), (162, 502045), (186, 437265), (205, 396738), (237, 343170), (246, 330615), (270, 301227), (279, 291510), (310, 262359), (369, 220410), (395, 205902), (405, 200818), (410, 198369), (465, 174906), (474, 171585), (558, 145755), (615, 132246), (711, 114390), (738, 110205), (790, 102951), (810, 100409), (837, 97170), (930, 87453), (1107, 73470), (1185, 68634), (1230, 66123), (1271, 63990), (1395, 58302), (1422, 57195), (1674, 48585), (1845, 44082), (2133, 38130), (2214, 36735), (2370, 34317), (2449, 33210), (2511, 32390), (2542, 31995), (2790, 29151), (3239, 25110), (3321, 24490), (3555, 22878), (3690, 22041), (3813, 21330), (4185, 19434), (4266, 19065), (4898, 16605), (5022, 16195), (5535, 14694), (6355, 12798), (6399, 12710), (6478, 12555), (6642, 12245), (7110, 11439), (7347, 11070), (7626, 10665), (8370, 9717)]