251004960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{599}}^1$

素因数の和:720

約数の個数: 192

約数和(自身を含む): 889056000

約数和(自身を除く): 638051040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 97, 108, 120, 135, 144, 160, 180, 194, 216, 240, 270, 288, 291, 360, 388, 432, 480, 485, 540, 582, 599, 720, 776, 864, 873, 970, 1080, 1164, 1198, 1440, 1455, 1552, 1746, 1797, 1940, 2160, 2328, 2396, 2619, 2910, 2995, 3104, 3492, 3594, 3880, 4320, 4365, 4656, 4792, 5238, 5391, 5820, 5990, 6984, 7188, 7760, 8730, 8985, 9312, 9584, 10476, 10782, 11640, 11980, 13095, 13968, 14376, 15520, 16173, 17460, 17970, 19168, 20952, 21564, 23280, 23960, 26190, 26955, 27936, 28752, 32346, 34920, 35940, 41904, 43128, 46560, 47920, 52380, 53910, 57504, 58103, 64692, 69840, 71880, 80865, 83808, 86256, 95840, 104760, 107820, 116206, 129384, 139680, 143760, 161730, 172512, 174309, 209520, 215640, 232412, 258768, 287520, 290515, 323460, 348618, 419040, 431280, 464824, 517536, 522927, 581030, 646920, 697236, 862560, 871545, 929648, 1045854, 1162060, 1293840, 1394472, 1568781, 1743090, 1859296, 2091708, 2324120, 2587680, 2614635, 2788944, 3137562, 3486180, 4183416, 4648240, 5229270, 5577888, 6275124, 6972360, 7843905, 8366832, 9296480, 10458540, 12550248, 13944720, 15687810, 16733664, 20917080, 25100496, 27889440, 31375620, 41834160, 50200992, 62751240, 83668320, 125502480, 251004960]

約数ペア:

[(1, 251004960), (2, 125502480), (3, 83668320), (4, 62751240), (5, 50200992), (6, 41834160), (8, 31375620), (9, 27889440), (10, 25100496), (12, 20917080), (15, 16733664), (16, 15687810), (18, 13944720), (20, 12550248), (24, 10458540), (27, 9296480), (30, 8366832), (32, 7843905), (36, 6972360), (40, 6275124), (45, 5577888), (48, 5229270), (54, 4648240), (60, 4183416), (72, 3486180), (80, 3137562), (90, 2788944), (96, 2614635), (97, 2587680), (108, 2324120), (120, 2091708), (135, 1859296), (144, 1743090), (160, 1568781), (180, 1394472), (194, 1293840), (216, 1162060), (240, 1045854), (270, 929648), (288, 871545), (291, 862560), (360, 697236), (388, 646920), (432, 581030), (480, 522927), (485, 517536), (540, 464824), (582, 431280), (599, 419040), (720, 348618), (776, 323460), (864, 290515), (873, 287520), (970, 258768), (1080, 232412), (1164, 215640), (1198, 209520), (1440, 174309), (1455, 172512), (1552, 161730), (1746, 143760), (1797, 139680), (1940, 129384), (2160, 116206), (2328, 107820), (2396, 104760), (2619, 95840), (2910, 86256), (2995, 83808), (3104, 80865), (3492, 71880), (3594, 69840), (3880, 64692), (4320, 58103), (4365, 57504), (4656, 53910), (4792, 52380), (5238, 47920), (5391, 46560), (5820, 43128), (5990, 41904), (6984, 35940), (7188, 34920), (7760, 32346), (8730, 28752), (8985, 27936), (9312, 26955), (9584, 26190), (10476, 23960), (10782, 23280), (11640, 21564), (11980, 20952), (13095, 19168), (13968, 17970), (14376, 17460), (15520, 16173)]