807211980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^2$

素因数の和:195

約数の個数: 216

約数和(自身を含む): 2647361808

約数和(自身を除く): 1840149828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 67, 74, 81, 90, 108, 111, 134, 135, 148, 162, 180, 185, 201, 222, 243, 268, 270, 324, 333, 335, 370, 402, 405, 444, 486, 540, 555, 603, 666, 670, 740, 804, 810, 972, 999, 1005, 1110, 1206, 1215, 1332, 1340, 1620, 1665, 1809, 1998, 2010, 2220, 2412, 2430, 2479, 2997, 3015, 3330, 3618, 3996, 4020, 4489, 4860, 4958, 4995, 5427, 5994, 6030, 6660, 7236, 7437, 8978, 8991, 9045, 9916, 9990, 10854, 11988, 12060, 12395, 13467, 14874, 14985, 16281, 17956, 17982, 18090, 19980, 21708, 22311, 22445, 24790, 26934, 27135, 29748, 29970, 32562, 35964, 36180, 37185, 40401, 44622, 44890, 44955, 49580, 53868, 54270, 59940, 65124, 66933, 67335, 74370, 80802, 81405, 89244, 89780, 89910, 108540, 111555, 121203, 133866, 134670, 148740, 161604, 162810, 166093, 179820, 200799, 202005, 223110, 242406, 267732, 269340, 325620, 332186, 334665, 363609, 401598, 404010, 446220, 484812, 498279, 602397, 606015, 664372, 669330, 727218, 803196, 808020, 830465, 996558, 1003995, 1090827, 1204794, 1212030, 1338660, 1454436, 1494837, 1660930, 1818045, 1993116, 2007990, 2181654, 2409588, 2424060, 2491395, 2989674, 3011985, 3321860, 3636090, 4015980, 4363308, 4484511, 4982790, 5454135, 5979348, 6023970, 7272180, 7474185, 8969022, 9965580, 10908270, 12047940, 13453533, 14948370, 17938044, 21816540, 22422555, 26907066, 29896740, 40360599, 44845110, 53814132, 67267665, 80721198, 89690220, 134535330, 161442396, 201802995, 269070660, 403605990, 807211980]

約数ペア:

[(1, 807211980), (2, 403605990), (3, 269070660), (4, 201802995), (5, 161442396), (6, 134535330), (9, 89690220), (10, 80721198), (12, 67267665), (15, 53814132), (18, 44845110), (20, 40360599), (27, 29896740), (30, 26907066), (36, 22422555), (37, 21816540), (45, 17938044), (54, 14948370), (60, 13453533), (67, 12047940), (74, 10908270), (81, 9965580), (90, 8969022), (108, 7474185), (111, 7272180), (134, 6023970), (135, 5979348), (148, 5454135), (162, 4982790), (180, 4484511), (185, 4363308), (201, 4015980), (222, 3636090), (243, 3321860), (268, 3011985), (270, 2989674), (324, 2491395), (333, 2424060), (335, 2409588), (370, 2181654), (402, 2007990), (405, 1993116), (444, 1818045), (486, 1660930), (540, 1494837), (555, 1454436), (603, 1338660), (666, 1212030), (670, 1204794), (740, 1090827), (804, 1003995), (810, 996558), (972, 830465), (999, 808020), (1005, 803196), (1110, 727218), (1206, 669330), (1215, 664372), (1332, 606015), (1340, 602397), (1620, 498279), (1665, 484812), (1809, 446220), (1998, 404010), (2010, 401598), (2220, 363609), (2412, 334665), (2430, 332186), (2479, 325620), (2997, 269340), (3015, 267732), (3330, 242406), (3618, 223110), (3996, 202005), (4020, 200799), (4489, 179820), (4860, 166093), (4958, 162810), (4995, 161604), (5427, 148740), (5994, 134670), (6030, 133866), (6660, 121203), (7236, 111555), (7437, 108540), (8978, 89910), (8991, 89780), (9045, 89244), (9916, 81405), (9990, 80802), (10854, 74370), (11988, 67335), (12060, 66933), (12395, 65124), (13467, 59940), (14874, 54270), (14985, 53868), (16281, 49580), (17956, 44955), (17982, 44890), (18090, 44622), (19980, 40401), (21708, 37185), (22311, 36180), (22445, 35964), (24790, 32562), (26934, 29970), (27135, 29748)]