261335160

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1123

約数の個数: 160

約数和(自身を含む): 890366400

約数和(自身を除く): 629031240

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, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 270, 316, 324, 360, 395, 405, 474, 540, 632, 648, 711, 790, 810, 948, 1021, 1080, 1185, 1422, 1580, 1620, 1896, 2042, 2133, 2370, 2844, 3063, 3160, 3240, 3555, 4084, 4266, 4740, 5105, 5688, 6126, 6399, 7110, 8168, 8532, 9189, 9480, 10210, 10665, 12252, 12798, 14220, 15315, 17064, 18378, 20420, 21330, 24504, 25596, 27567, 28440, 30630, 31995, 36756, 40840, 42660, 45945, 51192, 55134, 61260, 63990, 73512, 80659, 82701, 85320, 91890, 110268, 122520, 127980, 137835, 161318, 165402, 183780, 220536, 241977, 255960, 275670, 322636, 330804, 367560, 403295, 413505, 483954, 551340, 645272, 661608, 725931, 806590, 827010, 967908, 1102680, 1209885, 1451862, 1613180, 1654020, 1935816, 2177793, 2419770, 2903724, 3226360, 3308040, 3629655, 4355586, 4839540, 5807448, 6533379, 7259310, 8711172, 9679080, 10888965, 13066758, 14518620, 17422344, 21777930, 26133516, 29037240, 32666895, 43555860, 52267032, 65333790, 87111720, 130667580, 261335160]

約数ペア:

[(1, 261335160), (2, 130667580), (3, 87111720), (4, 65333790), (5, 52267032), (6, 43555860), (8, 32666895), (9, 29037240), (10, 26133516), (12, 21777930), (15, 17422344), (18, 14518620), (20, 13066758), (24, 10888965), (27, 9679080), (30, 8711172), (36, 7259310), (40, 6533379), (45, 5807448), (54, 4839540), (60, 4355586), (72, 3629655), (79, 3308040), (81, 3226360), (90, 2903724), (108, 2419770), (120, 2177793), (135, 1935816), (158, 1654020), (162, 1613180), (180, 1451862), (216, 1209885), (237, 1102680), (270, 967908), (316, 827010), (324, 806590), (360, 725931), (395, 661608), (405, 645272), (474, 551340), (540, 483954), (632, 413505), (648, 403295), (711, 367560), (790, 330804), (810, 322636), (948, 275670), (1021, 255960), (1080, 241977), (1185, 220536), (1422, 183780), (1580, 165402), (1620, 161318), (1896, 137835), (2042, 127980), (2133, 122520), (2370, 110268), (2844, 91890), (3063, 85320), (3160, 82701), (3240, 80659), (3555, 73512), (4084, 63990), (4266, 61260), (4740, 55134), (5105, 51192), (5688, 45945), (6126, 42660), (6399, 40840), (7110, 36756), (8168, 31995), (8532, 30630), (9189, 28440), (9480, 27567), (10210, 25596), (10665, 24504), (12252, 21330), (12798, 20420), (14220, 18378), (15315, 17064)]