131578920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 192

約数和(自身を含む): 471744000

約数和(自身を除く): 340165080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 149, 165, 180, 198, 220, 223, 264, 298, 330, 360, 396, 440, 446, 447, 495, 596, 660, 669, 745, 792, 892, 894, 990, 1115, 1192, 1320, 1338, 1341, 1490, 1639, 1784, 1788, 1980, 2007, 2230, 2235, 2453, 2676, 2682, 2980, 3278, 3345, 3576, 3960, 4014, 4460, 4470, 4906, 4917, 5352, 5364, 5960, 6556, 6690, 6705, 7359, 8028, 8195, 8920, 8940, 9812, 9834, 10035, 10728, 12265, 13112, 13380, 13410, 14718, 14751, 16056, 16390, 17880, 19624, 19668, 20070, 22077, 24530, 24585, 26760, 26820, 29436, 29502, 32780, 33227, 36795, 39336, 40140, 44154, 49060, 49170, 53640, 58872, 59004, 65560, 66454, 73590, 73755, 80280, 88308, 98120, 98340, 99681, 110385, 118008, 132908, 147180, 147510, 166135, 176616, 196680, 199362, 220770, 265816, 294360, 295020, 299043, 332270, 365497, 398724, 441540, 498405, 590040, 598086, 664540, 730994, 797448, 883080, 996810, 1096491, 1196172, 1329080, 1461988, 1495215, 1827485, 1993620, 2192982, 2392344, 2923976, 2990430, 3289473, 3654970, 3987240, 4385964, 5482455, 5980860, 6578946, 7309940, 8771928, 10964910, 11961720, 13157892, 14619880, 16447365, 21929820, 26315784, 32894730, 43859640, 65789460, 131578920]

約数ペア:

[(1, 131578920), (2, 65789460), (3, 43859640), (4, 32894730), (5, 26315784), (6, 21929820), (8, 16447365), (9, 14619880), (10, 13157892), (11, 11961720), (12, 10964910), (15, 8771928), (18, 7309940), (20, 6578946), (22, 5980860), (24, 5482455), (30, 4385964), (33, 3987240), (36, 3654970), (40, 3289473), (44, 2990430), (45, 2923976), (55, 2392344), (60, 2192982), (66, 1993620), (72, 1827485), (88, 1495215), (90, 1461988), (99, 1329080), (110, 1196172), (120, 1096491), (132, 996810), (149, 883080), (165, 797448), (180, 730994), (198, 664540), (220, 598086), (223, 590040), (264, 498405), (298, 441540), (330, 398724), (360, 365497), (396, 332270), (440, 299043), (446, 295020), (447, 294360), (495, 265816), (596, 220770), (660, 199362), (669, 196680), (745, 176616), (792, 166135), (892, 147510), (894, 147180), (990, 132908), (1115, 118008), (1192, 110385), (1320, 99681), (1338, 98340), (1341, 98120), (1490, 88308), (1639, 80280), (1784, 73755), (1788, 73590), (1980, 66454), (2007, 65560), (2230, 59004), (2235, 58872), (2453, 53640), (2676, 49170), (2682, 49060), (2980, 44154), (3278, 40140), (3345, 39336), (3576, 36795), (3960, 33227), (4014, 32780), (4460, 29502), (4470, 29436), (4906, 26820), (4917, 26760), (5352, 24585), (5364, 24530), (5960, 22077), (6556, 20070), (6690, 19668), (6705, 19624), (7359, 17880), (8028, 16390), (8195, 16056), (8920, 14751), (8940, 14718), (9812, 13410), (9834, 13380), (10035, 13112), (10728, 12265)]