257848080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:5005

約数の個数: 160

約数和(自身を含む): 943177728

約数和(自身を除く): 685329648

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, 4340, 4951, 5208, 6510, 7440, 8680, 9902, 10416, 13020, 14853, 17360, 19804, 24755, 26040, 29706, 34657, 39608, 49510, 52080, 59412, 69314, 74265, 79216, 99020, 103971, 118824, 138628, 148530, 153481, 173285, 198040, 207942, 237648, 277256, 297060, 306962, 346570, 396080, 415884, 460443, 519855, 554512, 594120, 613924, 693140, 767405, 831768, 920886, 1039710, 1074367, 1188240, 1227848, 1386280, 1534810, 1663536, 1841772, 2079420, 2148734, 2302215, 2455696, 2772560, 3069620, 3223101, 3683544, 4158840, 4297468, 4604430, 5371835, 6139240, 6446202, 7367088, 8317680, 8594936, 9208860, 10743670, 12278480, 12892404, 16115505, 17189872, 18417720, 21487340, 25784808, 32231010, 36835440, 42974680, 51569616, 64462020, 85949360, 128924040, 257848080]

約数ペア:

[(1, 257848080), (2, 128924040), (3, 85949360), (4, 64462020), (5, 51569616), (6, 42974680), (7, 36835440), (8, 32231010), (10, 25784808), (12, 21487340), (14, 18417720), (15, 17189872), (16, 16115505), (20, 12892404), (21, 12278480), (24, 10743670), (28, 9208860), (30, 8594936), (31, 8317680), (35, 7367088), (40, 6446202), (42, 6139240), (48, 5371835), (56, 4604430), (60, 4297468), (62, 4158840), (70, 3683544), (80, 3223101), (84, 3069620), (93, 2772560), (105, 2455696), (112, 2302215), (120, 2148734), (124, 2079420), (140, 1841772), (155, 1663536), (168, 1534810), (186, 1386280), (210, 1227848), (217, 1188240), (240, 1074367), (248, 1039710), (280, 920886), (310, 831768), (336, 767405), (372, 693140), (420, 613924), (434, 594120), (465, 554512), (496, 519855), (560, 460443), (620, 415884), (651, 396080), (744, 346570), (840, 306962), (868, 297060), (930, 277256), (1085, 237648), (1240, 207942), (1302, 198040), (1488, 173285), (1680, 153481), (1736, 148530), (1860, 138628), (2170, 118824), (2480, 103971), (2604, 99020), (3255, 79216), (3472, 74265), (3720, 69314), (4340, 59412), (4951, 52080), (5208, 49510), (6510, 39608), (7440, 34657), (8680, 29706), (9902, 26040), (10416, 24755), (13020, 19804), (14853, 17360)]