279481440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:621

約数の個数: 192

約数和(自身を含む): 1013354496

約数和(自身を除く): 733873056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 223, 224, 240, 280, 336, 373, 420, 446, 480, 560, 669, 672, 746, 840, 892, 1115, 1119, 1120, 1338, 1492, 1561, 1680, 1784, 1865, 2230, 2238, 2611, 2676, 2984, 3122, 3345, 3360, 3568, 3730, 4460, 4476, 4683, 5222, 5352, 5595, 5968, 6244, 6690, 7136, 7460, 7805, 7833, 8920, 8952, 9366, 10444, 10704, 11190, 11936, 12488, 13055, 13380, 14920, 15610, 15666, 17840, 17904, 18732, 20888, 21408, 22380, 23415, 24976, 26110, 26760, 29840, 31220, 31332, 35680, 35808, 37464, 39165, 41776, 44760, 46830, 49952, 52220, 53520, 59680, 62440, 62664, 74928, 78330, 83179, 83552, 89520, 93660, 104440, 107040, 124880, 125328, 149856, 156660, 166358, 179040, 187320, 208880, 249537, 249760, 250656, 313320, 332716, 374640, 415895, 417760, 499074, 582253, 626640, 665432, 749280, 831790, 998148, 1164506, 1247685, 1253280, 1330864, 1663580, 1746759, 1996296, 2329012, 2495370, 2661728, 2911265, 3327160, 3493518, 3992592, 4658024, 4990740, 5822530, 6654320, 6987036, 7985184, 8733795, 9316048, 9981480, 11645060, 13308640, 13974072, 17467590, 18632096, 19962960, 23290120, 27948144, 34935180, 39925920, 46580240, 55896288, 69870360, 93160480, 139740720, 279481440]

約数ペア:

[(1, 279481440), (2, 139740720), (3, 93160480), (4, 69870360), (5, 55896288), (6, 46580240), (7, 39925920), (8, 34935180), (10, 27948144), (12, 23290120), (14, 19962960), (15, 18632096), (16, 17467590), (20, 13974072), (21, 13308640), (24, 11645060), (28, 9981480), (30, 9316048), (32, 8733795), (35, 7985184), (40, 6987036), (42, 6654320), (48, 5822530), (56, 4990740), (60, 4658024), (70, 3992592), (80, 3493518), (84, 3327160), (96, 2911265), (105, 2661728), (112, 2495370), (120, 2329012), (140, 1996296), (160, 1746759), (168, 1663580), (210, 1330864), (223, 1253280), (224, 1247685), (240, 1164506), (280, 998148), (336, 831790), (373, 749280), (420, 665432), (446, 626640), (480, 582253), (560, 499074), (669, 417760), (672, 415895), (746, 374640), (840, 332716), (892, 313320), (1115, 250656), (1119, 249760), (1120, 249537), (1338, 208880), (1492, 187320), (1561, 179040), (1680, 166358), (1784, 156660), (1865, 149856), (2230, 125328), (2238, 124880), (2611, 107040), (2676, 104440), (2984, 93660), (3122, 89520), (3345, 83552), (3360, 83179), (3568, 78330), (3730, 74928), (4460, 62664), (4476, 62440), (4683, 59680), (5222, 53520), (5352, 52220), (5595, 49952), (5968, 46830), (6244, 44760), (6690, 41776), (7136, 39165), (7460, 37464), (7805, 35808), (7833, 35680), (8920, 31332), (8952, 31220), (9366, 29840), (10444, 26760), (10704, 26110), (11190, 24976), (11936, 23415), (12488, 22380), (13055, 21408), (13380, 20888), (14920, 18732), (15610, 17904), (15666, 17840)]