251609640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 785203200

約数和(自身を除く): 533593560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 239, 248, 283, 310, 372, 465, 478, 566, 620, 717, 744, 849, 930, 956, 1132, 1195, 1240, 1415, 1434, 1698, 1860, 1912, 2264, 2390, 2830, 2868, 3396, 3585, 3720, 4245, 4780, 5660, 5736, 6792, 7170, 7409, 8490, 8773, 9560, 11320, 14340, 14818, 16980, 17546, 22227, 26319, 28680, 29636, 33960, 35092, 37045, 43865, 44454, 52638, 59272, 67637, 70184, 74090, 87730, 88908, 105276, 111135, 131595, 135274, 148180, 175460, 177816, 202911, 210552, 222270, 263190, 270548, 296360, 338185, 350920, 405822, 444540, 526380, 541096, 676370, 811644, 889080, 1014555, 1052760, 1352740, 1623288, 2029110, 2096747, 2705480, 4058220, 4193494, 6290241, 8116440, 8386988, 10483735, 12580482, 16773976, 20967470, 25160964, 31451205, 41934940, 50321928, 62902410, 83869880, 125804820, 251609640]

約数ペア:

[(1, 251609640), (2, 125804820), (3, 83869880), (4, 62902410), (5, 50321928), (6, 41934940), (8, 31451205), (10, 25160964), (12, 20967470), (15, 16773976), (20, 12580482), (24, 10483735), (30, 8386988), (31, 8116440), (40, 6290241), (60, 4193494), (62, 4058220), (93, 2705480), (120, 2096747), (124, 2029110), (155, 1623288), (186, 1352740), (239, 1052760), (248, 1014555), (283, 889080), (310, 811644), (372, 676370), (465, 541096), (478, 526380), (566, 444540), (620, 405822), (717, 350920), (744, 338185), (849, 296360), (930, 270548), (956, 263190), (1132, 222270), (1195, 210552), (1240, 202911), (1415, 177816), (1434, 175460), (1698, 148180), (1860, 135274), (1912, 131595), (2264, 111135), (2390, 105276), (2830, 88908), (2868, 87730), (3396, 74090), (3585, 70184), (3720, 67637), (4245, 59272), (4780, 52638), (5660, 44454), (5736, 43865), (6792, 37045), (7170, 35092), (7409, 33960), (8490, 29636), (8773, 28680), (9560, 26319), (11320, 22227), (14340, 17546), (14818, 16980)]