80571120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 288076800

約数和(自身を除く): 207505680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 199, 210, 240, 241, 280, 336, 398, 420, 482, 560, 597, 723, 796, 840, 964, 995, 1194, 1205, 1393, 1446, 1592, 1680, 1687, 1928, 1990, 2388, 2410, 2786, 2892, 2985, 3184, 3374, 3615, 3856, 3980, 4179, 4776, 4820, 5061, 5572, 5784, 5970, 6748, 6965, 7230, 7960, 8358, 8435, 9552, 9640, 10122, 11144, 11568, 11940, 13496, 13930, 14460, 15920, 16716, 16870, 19280, 20244, 20895, 22288, 23880, 25305, 26992, 27860, 28920, 33432, 33740, 40488, 41790, 47760, 47959, 50610, 55720, 57840, 66864, 67480, 80976, 83580, 95918, 101220, 111440, 134960, 143877, 167160, 191836, 202440, 239795, 287754, 334320, 335713, 383672, 404880, 479590, 575508, 671426, 719385, 767344, 959180, 1007139, 1151016, 1342852, 1438770, 1678565, 1918360, 2014278, 2302032, 2685704, 2877540, 3357130, 3836720, 4028556, 5035695, 5371408, 5755080, 6714260, 8057112, 10071390, 11510160, 13428520, 16114224, 20142780, 26857040, 40285560, 80571120]

約数ペア:

[(1, 80571120), (2, 40285560), (3, 26857040), (4, 20142780), (5, 16114224), (6, 13428520), (7, 11510160), (8, 10071390), (10, 8057112), (12, 6714260), (14, 5755080), (15, 5371408), (16, 5035695), (20, 4028556), (21, 3836720), (24, 3357130), (28, 2877540), (30, 2685704), (35, 2302032), (40, 2014278), (42, 1918360), (48, 1678565), (56, 1438770), (60, 1342852), (70, 1151016), (80, 1007139), (84, 959180), (105, 767344), (112, 719385), (120, 671426), (140, 575508), (168, 479590), (199, 404880), (210, 383672), (240, 335713), (241, 334320), (280, 287754), (336, 239795), (398, 202440), (420, 191836), (482, 167160), (560, 143877), (597, 134960), (723, 111440), (796, 101220), (840, 95918), (964, 83580), (995, 80976), (1194, 67480), (1205, 66864), (1393, 57840), (1446, 55720), (1592, 50610), (1680, 47959), (1687, 47760), (1928, 41790), (1990, 40488), (2388, 33740), (2410, 33432), (2786, 28920), (2892, 27860), (2985, 26992), (3184, 25305), (3374, 23880), (3615, 22288), (3856, 20895), (3980, 20244), (4179, 19280), (4776, 16870), (4820, 16716), (5061, 15920), (5572, 14460), (5784, 13930), (5970, 13496), (6748, 11940), (6965, 11568), (7230, 11144), (7960, 10122), (8358, 9640), (8435, 9552)]