511312140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2220

約数の個数: 144

約数和(自身を含む): 1639013376

約数和(自身を除く): 1127701236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 558, 620, 645, 774, 860, 930, 1116, 1290, 1333, 1395, 1548, 1860, 1935, 2131, 2580, 2666, 2790, 3870, 3999, 4262, 5332, 5580, 6393, 6665, 7740, 7998, 8524, 10655, 11997, 12786, 13330, 15996, 19179, 19995, 21310, 23994, 25572, 26660, 31965, 38358, 39990, 42620, 47988, 59985, 63930, 66061, 76716, 79980, 91633, 95895, 119970, 127860, 132122, 183266, 191790, 198183, 239940, 264244, 274899, 330305, 366532, 383580, 396366, 458165, 549798, 594549, 660610, 792732, 824697, 916330, 990915, 1099596, 1189098, 1321220, 1374495, 1649394, 1832660, 1981830, 2378196, 2748990, 2840623, 2972745, 3298788, 3963660, 4123485, 5497980, 5681246, 5945490, 8246970, 8521869, 11362492, 11890980, 14203115, 16493940, 17043738, 25565607, 28406230, 34087476, 42609345, 51131214, 56812460, 85218690, 102262428, 127828035, 170437380, 255656070, 511312140]

約数ペア:

[(1, 511312140), (2, 255656070), (3, 170437380), (4, 127828035), (5, 102262428), (6, 85218690), (9, 56812460), (10, 51131214), (12, 42609345), (15, 34087476), (18, 28406230), (20, 25565607), (30, 17043738), (31, 16493940), (36, 14203115), (43, 11890980), (45, 11362492), (60, 8521869), (62, 8246970), (86, 5945490), (90, 5681246), (93, 5497980), (124, 4123485), (129, 3963660), (155, 3298788), (172, 2972745), (180, 2840623), (186, 2748990), (215, 2378196), (258, 1981830), (279, 1832660), (310, 1649394), (372, 1374495), (387, 1321220), (430, 1189098), (465, 1099596), (516, 990915), (558, 916330), (620, 824697), (645, 792732), (774, 660610), (860, 594549), (930, 549798), (1116, 458165), (1290, 396366), (1333, 383580), (1395, 366532), (1548, 330305), (1860, 274899), (1935, 264244), (2131, 239940), (2580, 198183), (2666, 191790), (2790, 183266), (3870, 132122), (3999, 127860), (4262, 119970), (5332, 95895), (5580, 91633), (6393, 79980), (6665, 76716), (7740, 66061), (7998, 63930), (8524, 59985), (10655, 47988), (11997, 42620), (12786, 39990), (13330, 38358), (15996, 31965), (19179, 26660), (19995, 25572), (21310, 23994)]