18073620

素因数分解:

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

素因数の和:166

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 40632300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 41, 45, 60, 62, 79, 82, 90, 93, 123, 124, 155, 158, 164, 180, 186, 205, 237, 246, 279, 310, 316, 369, 372, 395, 410, 465, 474, 492, 558, 615, 620, 711, 738, 790, 820, 930, 948, 1116, 1185, 1230, 1271, 1395, 1422, 1476, 1580, 1845, 1860, 2370, 2449, 2460, 2542, 2790, 2844, 3239, 3555, 3690, 3813, 4740, 4898, 5084, 5580, 6355, 6478, 7110, 7347, 7380, 7626, 9717, 9796, 11439, 12245, 12710, 12956, 14220, 14694, 15252, 16195, 19065, 19434, 22041, 22878, 24490, 25420, 29151, 29388, 32390, 36735, 38130, 38868, 44082, 45756, 48585, 48980, 57195, 58302, 64780, 73470, 76260, 88164, 97170, 100409, 110205, 114390, 116604, 145755, 146940, 194340, 200818, 220410, 228780, 291510, 301227, 401636, 440820, 502045, 583020, 602454, 903681, 1004090, 1204908, 1506135, 1807362, 2008180, 3012270, 3614724, 4518405, 6024540, 9036810, 18073620]

約数ペア:

[(1, 18073620), (2, 9036810), (3, 6024540), (4, 4518405), (5, 3614724), (6, 3012270), (9, 2008180), (10, 1807362), (12, 1506135), (15, 1204908), (18, 1004090), (20, 903681), (30, 602454), (31, 583020), (36, 502045), (41, 440820), (45, 401636), (60, 301227), (62, 291510), (79, 228780), (82, 220410), (90, 200818), (93, 194340), (123, 146940), (124, 145755), (155, 116604), (158, 114390), (164, 110205), (180, 100409), (186, 97170), (205, 88164), (237, 76260), (246, 73470), (279, 64780), (310, 58302), (316, 57195), (369, 48980), (372, 48585), (395, 45756), (410, 44082), (465, 38868), (474, 38130), (492, 36735), (558, 32390), (615, 29388), (620, 29151), (711, 25420), (738, 24490), (790, 22878), (820, 22041), (930, 19434), (948, 19065), (1116, 16195), (1185, 15252), (1230, 14694), (1271, 14220), (1395, 12956), (1422, 12710), (1476, 12245), (1580, 11439), (1845, 9796), (1860, 9717), (2370, 7626), (2449, 7380), (2460, 7347), (2542, 7110), (2790, 6478), (2844, 6355), (3239, 5580), (3555, 5084), (3690, 4898), (3813, 4740)]