15440320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 43086528

約数和(自身を除く): 27646208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 113, 122, 140, 160, 224, 226, 244, 280, 305, 320, 427, 448, 452, 488, 560, 565, 610, 791, 854, 904, 976, 1120, 1130, 1220, 1582, 1708, 1808, 1952, 2135, 2240, 2260, 2440, 3164, 3416, 3616, 3904, 3955, 4270, 4520, 4880, 6328, 6832, 6893, 7232, 7910, 8540, 9040, 9760, 12656, 13664, 13786, 15820, 17080, 18080, 19520, 25312, 27328, 27572, 31640, 34160, 34465, 36160, 48251, 50624, 55144, 63280, 68320, 68930, 96502, 110288, 126560, 136640, 137860, 193004, 220576, 241255, 253120, 275720, 386008, 441152, 482510, 551440, 772016, 965020, 1102880, 1544032, 1930040, 2205760, 3088064, 3860080, 7720160, 15440320]

約数ペア:

[(1, 15440320), (2, 7720160), (4, 3860080), (5, 3088064), (7, 2205760), (8, 1930040), (10, 1544032), (14, 1102880), (16, 965020), (20, 772016), (28, 551440), (32, 482510), (35, 441152), (40, 386008), (56, 275720), (61, 253120), (64, 241255), (70, 220576), (80, 193004), (112, 137860), (113, 136640), (122, 126560), (140, 110288), (160, 96502), (224, 68930), (226, 68320), (244, 63280), (280, 55144), (305, 50624), (320, 48251), (427, 36160), (448, 34465), (452, 34160), (488, 31640), (560, 27572), (565, 27328), (610, 25312), (791, 19520), (854, 18080), (904, 17080), (976, 15820), (1120, 13786), (1130, 13664), (1220, 12656), (1582, 9760), (1708, 9040), (1808, 8540), (1952, 7910), (2135, 7232), (2240, 6893), (2260, 6832), (2440, 6328), (3164, 4880), (3416, 4520), (3616, 4270), (3904, 3955)]