15218840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 43666560

約数和(自身を除く): 28447720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 113, 130, 140, 148, 182, 185, 226, 259, 260, 280, 296, 364, 370, 452, 455, 481, 518, 520, 565, 728, 740, 791, 904, 910, 962, 1036, 1130, 1295, 1469, 1480, 1582, 1820, 1924, 2072, 2260, 2405, 2590, 2938, 3164, 3367, 3640, 3848, 3955, 4181, 4520, 4810, 5180, 5876, 6328, 6734, 7345, 7910, 8362, 9620, 10283, 10360, 11752, 13468, 14690, 15820, 16724, 16835, 19240, 20566, 20905, 26936, 29267, 29380, 31640, 33448, 33670, 41132, 41810, 51415, 54353, 58534, 58760, 67340, 82264, 83620, 102830, 108706, 117068, 134680, 146335, 167240, 205660, 217412, 234136, 271765, 292670, 380471, 411320, 434824, 543530, 585340, 760942, 1087060, 1170680, 1521884, 1902355, 2174120, 3043768, 3804710, 7609420, 15218840]

約数ペア:

[(1, 15218840), (2, 7609420), (4, 3804710), (5, 3043768), (7, 2174120), (8, 1902355), (10, 1521884), (13, 1170680), (14, 1087060), (20, 760942), (26, 585340), (28, 543530), (35, 434824), (37, 411320), (40, 380471), (52, 292670), (56, 271765), (65, 234136), (70, 217412), (74, 205660), (91, 167240), (104, 146335), (113, 134680), (130, 117068), (140, 108706), (148, 102830), (182, 83620), (185, 82264), (226, 67340), (259, 58760), (260, 58534), (280, 54353), (296, 51415), (364, 41810), (370, 41132), (452, 33670), (455, 33448), (481, 31640), (518, 29380), (520, 29267), (565, 26936), (728, 20905), (740, 20566), (791, 19240), (904, 16835), (910, 16724), (962, 15820), (1036, 14690), (1130, 13468), (1295, 11752), (1469, 10360), (1480, 10283), (1582, 9620), (1820, 8362), (1924, 7910), (2072, 7345), (2260, 6734), (2405, 6328), (2590, 5876), (2938, 5180), (3164, 4810), (3367, 4520), (3640, 4181), (3848, 3955)]