205559760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4001

約数の個数: 160

約数和(自身を含む): 751951872

約数和(自身を除く): 546392112

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, 3947, 4340, 5208, 6510, 7440, 7894, 8680, 10416, 11841, 13020, 15788, 17360, 19735, 23682, 26040, 27629, 31576, 39470, 47364, 52080, 55258, 59205, 63152, 78940, 82887, 94728, 110516, 118410, 122357, 138145, 157880, 165774, 189456, 221032, 236820, 244714, 276290, 315760, 331548, 367071, 414435, 442064, 473640, 489428, 552580, 611785, 663096, 734142, 828870, 856499, 947280, 978856, 1105160, 1223570, 1326192, 1468284, 1657740, 1712998, 1835355, 1957712, 2210320, 2447140, 2569497, 2936568, 3315480, 3425996, 3670710, 4282495, 4894280, 5138994, 5873136, 6630960, 6851992, 7341420, 8564990, 9788560, 10277988, 12847485, 13703984, 14682840, 17129980, 20555976, 25694970, 29365680, 34259960, 41111952, 51389940, 68519920, 102779880, 205559760]

約数ペア:

[(1, 205559760), (2, 102779880), (3, 68519920), (4, 51389940), (5, 41111952), (6, 34259960), (7, 29365680), (8, 25694970), (10, 20555976), (12, 17129980), (14, 14682840), (15, 13703984), (16, 12847485), (20, 10277988), (21, 9788560), (24, 8564990), (28, 7341420), (30, 6851992), (31, 6630960), (35, 5873136), (40, 5138994), (42, 4894280), (48, 4282495), (56, 3670710), (60, 3425996), (62, 3315480), (70, 2936568), (80, 2569497), (84, 2447140), (93, 2210320), (105, 1957712), (112, 1835355), (120, 1712998), (124, 1657740), (140, 1468284), (155, 1326192), (168, 1223570), (186, 1105160), (210, 978856), (217, 947280), (240, 856499), (248, 828870), (280, 734142), (310, 663096), (336, 611785), (372, 552580), (420, 489428), (434, 473640), (465, 442064), (496, 414435), (560, 367071), (620, 331548), (651, 315760), (744, 276290), (840, 244714), (868, 236820), (930, 221032), (1085, 189456), (1240, 165774), (1302, 157880), (1488, 138145), (1680, 122357), (1736, 118410), (1860, 110516), (2170, 94728), (2480, 82887), (2604, 78940), (3255, 63152), (3472, 59205), (3720, 55258), (3947, 52080), (4340, 47364), (5208, 39470), (6510, 31576), (7440, 27629), (7894, 26040), (8680, 23682), (10416, 19735), (11841, 17360), (13020, 15788)]