78255720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 269680320

約数和(自身を除く): 191424600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 83, 90, 97, 108, 120, 135, 162, 166, 180, 194, 216, 243, 249, 270, 291, 324, 332, 360, 388, 405, 415, 485, 486, 498, 540, 582, 648, 664, 747, 776, 810, 830, 873, 970, 972, 996, 1080, 1164, 1215, 1245, 1455, 1494, 1620, 1660, 1746, 1940, 1944, 1992, 2241, 2328, 2430, 2490, 2619, 2910, 2988, 3240, 3320, 3492, 3735, 3880, 4365, 4482, 4860, 4980, 5238, 5820, 5976, 6723, 6984, 7470, 7857, 8051, 8730, 8964, 9720, 9960, 10476, 11205, 11640, 13095, 13446, 14940, 15714, 16102, 17460, 17928, 20169, 20952, 22410, 23571, 24153, 26190, 26892, 29880, 31428, 32204, 33615, 34920, 39285, 40255, 40338, 44820, 47142, 48306, 52380, 53784, 62856, 64408, 67230, 72459, 78570, 80510, 80676, 89640, 94284, 96612, 100845, 104760, 117855, 120765, 134460, 144918, 157140, 161020, 161352, 188568, 193224, 201690, 217377, 235710, 241530, 268920, 289836, 314280, 322040, 362295, 403380, 434754, 471420, 483060, 579672, 652131, 724590, 806760, 869508, 942840, 966120, 1086885, 1304262, 1449180, 1739016, 1956393, 2173770, 2608524, 2898360, 3260655, 3912786, 4347540, 5217048, 6521310, 7825572, 8695080, 9781965, 13042620, 15651144, 19563930, 26085240, 39127860, 78255720]

約数ペア:

[(1, 78255720), (2, 39127860), (3, 26085240), (4, 19563930), (5, 15651144), (6, 13042620), (8, 9781965), (9, 8695080), (10, 7825572), (12, 6521310), (15, 5217048), (18, 4347540), (20, 3912786), (24, 3260655), (27, 2898360), (30, 2608524), (36, 2173770), (40, 1956393), (45, 1739016), (54, 1449180), (60, 1304262), (72, 1086885), (81, 966120), (83, 942840), (90, 869508), (97, 806760), (108, 724590), (120, 652131), (135, 579672), (162, 483060), (166, 471420), (180, 434754), (194, 403380), (216, 362295), (243, 322040), (249, 314280), (270, 289836), (291, 268920), (324, 241530), (332, 235710), (360, 217377), (388, 201690), (405, 193224), (415, 188568), (485, 161352), (486, 161020), (498, 157140), (540, 144918), (582, 134460), (648, 120765), (664, 117855), (747, 104760), (776, 100845), (810, 96612), (830, 94284), (873, 89640), (970, 80676), (972, 80510), (996, 78570), (1080, 72459), (1164, 67230), (1215, 64408), (1245, 62856), (1455, 53784), (1494, 52380), (1620, 48306), (1660, 47142), (1746, 44820), (1940, 40338), (1944, 40255), (1992, 39285), (2241, 34920), (2328, 33615), (2430, 32204), (2490, 31428), (2619, 29880), (2910, 26892), (2988, 26190), (3240, 24153), (3320, 23571), (3492, 22410), (3735, 20952), (3880, 20169), (4365, 17928), (4482, 17460), (4860, 16102), (4980, 15714), (5238, 14940), (5820, 13446), (5976, 13095), (6723, 11640), (6984, 11205), (7470, 10476), (7857, 9960), (8051, 9720), (8730, 8964)]