1280211480

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1093

約数の個数: 224

約数和(自身を含む): 4423502160

約数和(自身を除く): 3143290680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 162, 172, 180, 215, 216, 243, 258, 270, 324, 344, 360, 387, 405, 430, 486, 516, 540, 645, 648, 729, 774, 810, 860, 972, 1021, 1032, 1080, 1161, 1215, 1290, 1458, 1548, 1620, 1720, 1935, 1944, 2042, 2322, 2430, 2580, 2916, 3063, 3096, 3240, 3483, 3645, 3870, 4084, 4644, 4860, 5105, 5160, 5805, 5832, 6126, 6966, 7290, 7740, 8168, 9189, 9288, 9720, 10210, 10449, 11610, 12252, 13932, 14580, 15315, 15480, 17415, 18378, 20420, 20898, 23220, 24504, 27567, 27864, 29160, 30630, 31347, 34830, 36756, 40840, 41796, 43903, 45945, 46440, 52245, 55134, 61260, 62694, 69660, 73512, 82701, 83592, 87806, 91890, 104490, 110268, 122520, 125388, 131709, 137835, 139320, 156735, 165402, 175612, 183780, 208980, 219515, 220536, 248103, 250776, 263418, 275670, 313470, 330804, 351224, 367560, 395127, 413505, 417960, 439030, 496206, 526836, 551340, 626940, 658545, 661608, 744309, 790254, 827010, 878060, 992412, 1053672, 1102680, 1185381, 1240515, 1253880, 1317090, 1488618, 1580508, 1654020, 1756120, 1975635, 1984824, 2370762, 2481030, 2634180, 2977236, 3161016, 3308040, 3556143, 3721545, 3951270, 4741524, 4962060, 5268360, 5926905, 5954472, 7112286, 7443090, 7902540, 9483048, 9924120, 10668429, 11853810, 14224572, 14886180, 15805080, 17780715, 21336858, 23707620, 28449144, 29772360, 32005287, 35561430, 42673716, 47415240, 53342145, 64010574, 71122860, 85347432, 106684290, 128021148, 142245720, 160026435, 213368580, 256042296, 320052870, 426737160, 640105740, 1280211480]

約数ペア:

[(1, 1280211480), (2, 640105740), (3, 426737160), (4, 320052870), (5, 256042296), (6, 213368580), (8, 160026435), (9, 142245720), (10, 128021148), (12, 106684290), (15, 85347432), (18, 71122860), (20, 64010574), (24, 53342145), (27, 47415240), (30, 42673716), (36, 35561430), (40, 32005287), (43, 29772360), (45, 28449144), (54, 23707620), (60, 21336858), (72, 17780715), (81, 15805080), (86, 14886180), (90, 14224572), (108, 11853810), (120, 10668429), (129, 9924120), (135, 9483048), (162, 7902540), (172, 7443090), (180, 7112286), (215, 5954472), (216, 5926905), (243, 5268360), (258, 4962060), (270, 4741524), (324, 3951270), (344, 3721545), (360, 3556143), (387, 3308040), (405, 3161016), (430, 2977236), (486, 2634180), (516, 2481030), (540, 2370762), (645, 1984824), (648, 1975635), (729, 1756120), (774, 1654020), (810, 1580508), (860, 1488618), (972, 1317090), (1021, 1253880), (1032, 1240515), (1080, 1185381), (1161, 1102680), (1215, 1053672), (1290, 992412), (1458, 878060), (1548, 827010), (1620, 790254), (1720, 744309), (1935, 661608), (1944, 658545), (2042, 626940), (2322, 551340), (2430, 526836), (2580, 496206), (2916, 439030), (3063, 417960), (3096, 413505), (3240, 395127), (3483, 367560), (3645, 351224), (3870, 330804), (4084, 313470), (4644, 275670), (4860, 263418), (5105, 250776), (5160, 248103), (5805, 220536), (5832, 219515), (6126, 208980), (6966, 183780), (7290, 175612), (7740, 165402), (8168, 156735), (9189, 139320), (9288, 137835), (9720, 131709), (10210, 125388), (10449, 122520), (11610, 110268), (12252, 104490), (13932, 91890), (14580, 87806), (15315, 83592), (15480, 82701), (17415, 73512), (18378, 69660), (20420, 62694), (20898, 61260), (23220, 55134), (24504, 52245), (27567, 46440), (27864, 45945), (29160, 43903), (30630, 41796), (31347, 40840), (34830, 36756)]