16889760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 59380776

約数和(自身を除く): 42491016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 317, 333, 360, 370, 444, 480, 555, 592, 634, 666, 720, 740, 888, 951, 1110, 1184, 1268, 1332, 1440, 1480, 1585, 1665, 1776, 1902, 2220, 2536, 2664, 2853, 2960, 3170, 3330, 3552, 3804, 4440, 4755, 5072, 5328, 5706, 5920, 6340, 6660, 7608, 8880, 9510, 10144, 10656, 11412, 11729, 12680, 13320, 14265, 15216, 17760, 19020, 22824, 23458, 25360, 26640, 28530, 30432, 35187, 38040, 45648, 46916, 50720, 53280, 57060, 58645, 70374, 76080, 91296, 93832, 105561, 114120, 117290, 140748, 152160, 175935, 187664, 211122, 228240, 234580, 281496, 351870, 375328, 422244, 456480, 469160, 527805, 562992, 703740, 844488, 938320, 1055610, 1125984, 1407480, 1688976, 1876640, 2111220, 2814960, 3377952, 4222440, 5629920, 8444880, 16889760]

約数ペア:

[(1, 16889760), (2, 8444880), (3, 5629920), (4, 4222440), (5, 3377952), (6, 2814960), (8, 2111220), (9, 1876640), (10, 1688976), (12, 1407480), (15, 1125984), (16, 1055610), (18, 938320), (20, 844488), (24, 703740), (30, 562992), (32, 527805), (36, 469160), (37, 456480), (40, 422244), (45, 375328), (48, 351870), (60, 281496), (72, 234580), (74, 228240), (80, 211122), (90, 187664), (96, 175935), (111, 152160), (120, 140748), (144, 117290), (148, 114120), (160, 105561), (180, 93832), (185, 91296), (222, 76080), (240, 70374), (288, 58645), (296, 57060), (317, 53280), (333, 50720), (360, 46916), (370, 45648), (444, 38040), (480, 35187), (555, 30432), (592, 28530), (634, 26640), (666, 25360), (720, 23458), (740, 22824), (888, 19020), (951, 17760), (1110, 15216), (1184, 14265), (1268, 13320), (1332, 12680), (1440, 11729), (1480, 11412), (1585, 10656), (1665, 10144), (1776, 9510), (1902, 8880), (2220, 7608), (2536, 6660), (2664, 6340), (2853, 5920), (2960, 5706), (3170, 5328), (3330, 5072), (3552, 4755), (3804, 4440)]