72240840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 192

約数和(自身を含む): 271814400

約数和(自身を除く): 199573560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 109, 120, 126, 140, 168, 180, 210, 218, 252, 263, 280, 315, 327, 360, 420, 436, 504, 526, 545, 630, 654, 763, 789, 840, 872, 981, 1052, 1090, 1260, 1308, 1315, 1526, 1578, 1635, 1841, 1962, 2104, 2180, 2289, 2367, 2520, 2616, 2630, 3052, 3156, 3270, 3682, 3815, 3924, 3945, 4360, 4578, 4734, 4905, 5260, 5523, 6104, 6312, 6540, 6867, 7364, 7630, 7848, 7890, 9156, 9205, 9468, 9810, 10520, 11046, 11445, 11835, 13080, 13734, 14728, 15260, 15780, 16569, 18312, 18410, 18936, 19620, 22092, 22890, 23670, 27468, 27615, 28667, 30520, 31560, 33138, 34335, 36820, 39240, 44184, 45780, 47340, 54936, 55230, 57334, 66276, 68670, 73640, 82845, 86001, 91560, 94680, 110460, 114668, 132552, 137340, 143335, 165690, 172002, 200669, 220920, 229336, 258003, 274680, 286670, 331380, 344004, 401338, 430005, 516006, 573340, 602007, 662760, 688008, 802676, 860010, 1003345, 1032012, 1146680, 1204014, 1290015, 1605352, 1720020, 1806021, 2006690, 2064024, 2408028, 2580030, 3010035, 3440040, 3612042, 4013380, 4816056, 5160060, 6020070, 7224084, 8026760, 9030105, 10320120, 12040140, 14448168, 18060210, 24080280, 36120420, 72240840]

約数ペア:

[(1, 72240840), (2, 36120420), (3, 24080280), (4, 18060210), (5, 14448168), (6, 12040140), (7, 10320120), (8, 9030105), (9, 8026760), (10, 7224084), (12, 6020070), (14, 5160060), (15, 4816056), (18, 4013380), (20, 3612042), (21, 3440040), (24, 3010035), (28, 2580030), (30, 2408028), (35, 2064024), (36, 2006690), (40, 1806021), (42, 1720020), (45, 1605352), (56, 1290015), (60, 1204014), (63, 1146680), (70, 1032012), (72, 1003345), (84, 860010), (90, 802676), (105, 688008), (109, 662760), (120, 602007), (126, 573340), (140, 516006), (168, 430005), (180, 401338), (210, 344004), (218, 331380), (252, 286670), (263, 274680), (280, 258003), (315, 229336), (327, 220920), (360, 200669), (420, 172002), (436, 165690), (504, 143335), (526, 137340), (545, 132552), (630, 114668), (654, 110460), (763, 94680), (789, 91560), (840, 86001), (872, 82845), (981, 73640), (1052, 68670), (1090, 66276), (1260, 57334), (1308, 55230), (1315, 54936), (1526, 47340), (1578, 45780), (1635, 44184), (1841, 39240), (1962, 36820), (2104, 34335), (2180, 33138), (2289, 31560), (2367, 30520), (2520, 28667), (2616, 27615), (2630, 27468), (3052, 23670), (3156, 22890), (3270, 22092), (3682, 19620), (3815, 18936), (3924, 18410), (3945, 18312), (4360, 16569), (4578, 15780), (4734, 15260), (4905, 14728), (5260, 13734), (5523, 13080), (6104, 11835), (6312, 11445), (6540, 11046), (6867, 10520), (7364, 9810), (7630, 9468), (7848, 9205), (7890, 9156)]