19225440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 216

約数和(自身を含む): 71940960

約数和(自身を除く): 52715520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 96, 104, 117, 120, 130, 144, 156, 158, 160, 169, 180, 195, 208, 234, 237, 240, 260, 288, 312, 316, 338, 360, 390, 395, 416, 468, 474, 480, 507, 520, 585, 624, 632, 676, 711, 720, 780, 790, 845, 936, 948, 1014, 1027, 1040, 1170, 1185, 1248, 1264, 1352, 1422, 1440, 1521, 1560, 1580, 1690, 1872, 1896, 2028, 2054, 2080, 2340, 2370, 2528, 2535, 2704, 2844, 3042, 3081, 3120, 3160, 3380, 3555, 3744, 3792, 4056, 4108, 4680, 4740, 5070, 5135, 5408, 5688, 6084, 6162, 6240, 6320, 6760, 7110, 7584, 7605, 8112, 8216, 9243, 9360, 9480, 10140, 10270, 11376, 12168, 12324, 12640, 13351, 13520, 14220, 15210, 15405, 16224, 16432, 18486, 18720, 18960, 20280, 20540, 22752, 24336, 24648, 26702, 27040, 28440, 30420, 30810, 32864, 36972, 37920, 40053, 40560, 41080, 46215, 48672, 49296, 53404, 56880, 60840, 61620, 66755, 73944, 80106, 81120, 82160, 92430, 98592, 106808, 113760, 120159, 121680, 123240, 133510, 147888, 160212, 164320, 184860, 200265, 213616, 240318, 243360, 246480, 267020, 295776, 320424, 369720, 400530, 427232, 480636, 492960, 534040, 600795, 640848, 739440, 801060, 961272, 1068080, 1201590, 1281696, 1478880, 1602120, 1922544, 2136160, 2403180, 3204240, 3845088, 4806360, 6408480, 9612720, 19225440]

約数ペア:

[(1, 19225440), (2, 9612720), (3, 6408480), (4, 4806360), (5, 3845088), (6, 3204240), (8, 2403180), (9, 2136160), (10, 1922544), (12, 1602120), (13, 1478880), (15, 1281696), (16, 1201590), (18, 1068080), (20, 961272), (24, 801060), (26, 739440), (30, 640848), (32, 600795), (36, 534040), (39, 492960), (40, 480636), (45, 427232), (48, 400530), (52, 369720), (60, 320424), (65, 295776), (72, 267020), (78, 246480), (79, 243360), (80, 240318), (90, 213616), (96, 200265), (104, 184860), (117, 164320), (120, 160212), (130, 147888), (144, 133510), (156, 123240), (158, 121680), (160, 120159), (169, 113760), (180, 106808), (195, 98592), (208, 92430), (234, 82160), (237, 81120), (240, 80106), (260, 73944), (288, 66755), (312, 61620), (316, 60840), (338, 56880), (360, 53404), (390, 49296), (395, 48672), (416, 46215), (468, 41080), (474, 40560), (480, 40053), (507, 37920), (520, 36972), (585, 32864), (624, 30810), (632, 30420), (676, 28440), (711, 27040), (720, 26702), (780, 24648), (790, 24336), (845, 22752), (936, 20540), (948, 20280), (1014, 18960), (1027, 18720), (1040, 18486), (1170, 16432), (1185, 16224), (1248, 15405), (1264, 15210), (1352, 14220), (1422, 13520), (1440, 13351), (1521, 12640), (1560, 12324), (1580, 12168), (1690, 11376), (1872, 10270), (1896, 10140), (2028, 9480), (2054, 9360), (2080, 9243), (2340, 8216), (2370, 8112), (2528, 7605), (2535, 7584), (2704, 7110), (2844, 6760), (3042, 6320), (3081, 6240), (3120, 6162), (3160, 6084), (3380, 5688), (3555, 5408), (3744, 5135), (3792, 5070), (4056, 4740), (4108, 4680)]