261991440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5431}}^1$

素因数の和:5517

約数の個数: 120

約数和(自身を含む): 893151168

約数和(自身を除く): 631159728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1608, 2010, 2412, 2680, 3015, 3216, 4020, 4824, 5360, 5431, 6030, 8040, 9648, 10862, 12060, 16080, 16293, 21724, 24120, 27155, 32586, 43448, 48240, 48879, 54310, 65172, 81465, 86896, 97758, 108620, 130344, 162930, 195516, 217240, 244395, 260688, 325860, 363877, 391032, 434480, 488790, 651720, 727754, 782064, 977580, 1091631, 1303440, 1455508, 1819385, 1955160, 2183262, 2911016, 3274893, 3638770, 3910320, 4366524, 5458155, 5822032, 6549786, 7277540, 8733048, 10916310, 13099572, 14555080, 16374465, 17466096, 21832620, 26199144, 29110160, 32748930, 43665240, 52398288, 65497860, 87330480, 130995720, 261991440]

約数ペア:

[(1, 261991440), (2, 130995720), (3, 87330480), (4, 65497860), (5, 52398288), (6, 43665240), (8, 32748930), (9, 29110160), (10, 26199144), (12, 21832620), (15, 17466096), (16, 16374465), (18, 14555080), (20, 13099572), (24, 10916310), (30, 8733048), (36, 7277540), (40, 6549786), (45, 5822032), (48, 5458155), (60, 4366524), (67, 3910320), (72, 3638770), (80, 3274893), (90, 2911016), (120, 2183262), (134, 1955160), (144, 1819385), (180, 1455508), (201, 1303440), (240, 1091631), (268, 977580), (335, 782064), (360, 727754), (402, 651720), (536, 488790), (603, 434480), (670, 391032), (720, 363877), (804, 325860), (1005, 260688), (1072, 244395), (1206, 217240), (1340, 195516), (1608, 162930), (2010, 130344), (2412, 108620), (2680, 97758), (3015, 86896), (3216, 81465), (4020, 65172), (4824, 54310), (5360, 48879), (5431, 48240), (6030, 43448), (8040, 32586), (9648, 27155), (10862, 24120), (12060, 21724), (16080, 16293)]