81520920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17419}}^1$

素因数の和:17449

約数の個数: 96

約数和(自身を含む): 285339600

約数和(自身を除く): 203818680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 17419, 34838, 52257, 69676, 87095, 104514, 139352, 156771, 174190, 209028, 226447, 261285, 313542, 348380, 418056, 452894, 522570, 627084, 679341, 696760, 783855, 905788, 1045140, 1132235, 1254168, 1358682, 1567710, 1811576, 2038023, 2090280, 2264470, 2717364, 3135420, 3396705, 4076046, 4528940, 5434728, 6270840, 6793410, 8152092, 9057880, 10190115, 13586820, 16304184, 20380230, 27173640, 40760460, 81520920]

約数ペア:

[(1, 81520920), (2, 40760460), (3, 27173640), (4, 20380230), (5, 16304184), (6, 13586820), (8, 10190115), (9, 9057880), (10, 8152092), (12, 6793410), (13, 6270840), (15, 5434728), (18, 4528940), (20, 4076046), (24, 3396705), (26, 3135420), (30, 2717364), (36, 2264470), (39, 2090280), (40, 2038023), (45, 1811576), (52, 1567710), (60, 1358682), (65, 1254168), (72, 1132235), (78, 1045140), (90, 905788), (104, 783855), (117, 696760), (120, 679341), (130, 627084), (156, 522570), (180, 452894), (195, 418056), (234, 348380), (260, 313542), (312, 261285), (360, 226447), (390, 209028), (468, 174190), (520, 156771), (585, 139352), (780, 104514), (936, 87095), (1170, 69676), (1560, 52257), (2340, 34838), (4680, 17419)]