215559120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4193

約数の個数: 160

約数和(自身を含む): 788520960

約数和(自身を除く): 572961840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4139, 4340, 5208, 6510, 7440, 8278, 8680, 10416, 12417, 13020, 16556, 17360, 20695, 24834, 26040, 28973, 33112, 41390, 49668, 52080, 57946, 62085, 66224, 82780, 86919, 99336, 115892, 124170, 128309, 144865, 165560, 173838, 198672, 231784, 248340, 256618, 289730, 331120, 347676, 384927, 434595, 463568, 496680, 513236, 579460, 641545, 695352, 769854, 869190, 898163, 993360, 1026472, 1158920, 1283090, 1390704, 1539708, 1738380, 1796326, 1924635, 2052944, 2317840, 2566180, 2694489, 3079416, 3476760, 3592652, 3849270, 4490815, 5132360, 5388978, 6158832, 6953520, 7185304, 7698540, 8981630, 10264720, 10777956, 13472445, 14370608, 15397080, 17963260, 21555912, 26944890, 30794160, 35926520, 43111824, 53889780, 71853040, 107779560, 215559120]

約数ペア:

[(1, 215559120), (2, 107779560), (3, 71853040), (4, 53889780), (5, 43111824), (6, 35926520), (7, 30794160), (8, 26944890), (10, 21555912), (12, 17963260), (14, 15397080), (15, 14370608), (16, 13472445), (20, 10777956), (21, 10264720), (24, 8981630), (28, 7698540), (30, 7185304), (31, 6953520), (35, 6158832), (40, 5388978), (42, 5132360), (48, 4490815), (56, 3849270), (60, 3592652), (62, 3476760), (70, 3079416), (80, 2694489), (84, 2566180), (93, 2317840), (105, 2052944), (112, 1924635), (120, 1796326), (124, 1738380), (140, 1539708), (155, 1390704), (168, 1283090), (186, 1158920), (210, 1026472), (217, 993360), (240, 898163), (248, 869190), (280, 769854), (310, 695352), (336, 641545), (372, 579460), (420, 513236), (434, 496680), (465, 463568), (496, 434595), (560, 384927), (620, 347676), (651, 331120), (744, 289730), (840, 256618), (868, 248340), (930, 231784), (1085, 198672), (1240, 173838), (1302, 165560), (1488, 144865), (1680, 128309), (1736, 124170), (1860, 115892), (2170, 99336), (2480, 86919), (2604, 82780), (3255, 66224), (3472, 62085), (3720, 57946), (4139, 52080), (4340, 49668), (5208, 41390), (6510, 33112), (7440, 28973), (8278, 26040), (8680, 24834), (10416, 20695), (12417, 17360), (13020, 16556)]