279442880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 168

約数和(自身を含む): 731611440

約数和(自身を除く): 452168560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 59, 64, 76, 80, 82, 95, 118, 152, 160, 164, 190, 205, 236, 295, 304, 320, 328, 361, 380, 410, 472, 590, 608, 656, 722, 760, 779, 820, 944, 1121, 1180, 1216, 1312, 1444, 1520, 1558, 1640, 1805, 1888, 2242, 2360, 2419, 2624, 2888, 3040, 3116, 3280, 3610, 3776, 3895, 4484, 4720, 4838, 5605, 5776, 6080, 6232, 6560, 7220, 7790, 8968, 9440, 9676, 11210, 11552, 12095, 12464, 13120, 14440, 14801, 15580, 17936, 18880, 19352, 21299, 22420, 23104, 24190, 24928, 28880, 29602, 31160, 35872, 38704, 42598, 44840, 45961, 48380, 49856, 57760, 59204, 62320, 71744, 74005, 77408, 85196, 89680, 91922, 96760, 106495, 115520, 118408, 124640, 148010, 154816, 170392, 179360, 183844, 193520, 212990, 229805, 236816, 249280, 296020, 340784, 358720, 367688, 387040, 425980, 459610, 473632, 592040, 681568, 735376, 774080, 851960, 873259, 919220, 947264, 1184080, 1363136, 1470752, 1703920, 1746518, 1838440, 2368160, 2941504, 3407840, 3493036, 3676880, 4366295, 4736320, 6815680, 6986072, 7353760, 8732590, 13972144, 14707520, 17465180, 27944288, 34930360, 55888576, 69860720, 139721440, 279442880]

約数ペア:

[(1, 279442880), (2, 139721440), (4, 69860720), (5, 55888576), (8, 34930360), (10, 27944288), (16, 17465180), (19, 14707520), (20, 13972144), (32, 8732590), (38, 7353760), (40, 6986072), (41, 6815680), (59, 4736320), (64, 4366295), (76, 3676880), (80, 3493036), (82, 3407840), (95, 2941504), (118, 2368160), (152, 1838440), (160, 1746518), (164, 1703920), (190, 1470752), (205, 1363136), (236, 1184080), (295, 947264), (304, 919220), (320, 873259), (328, 851960), (361, 774080), (380, 735376), (410, 681568), (472, 592040), (590, 473632), (608, 459610), (656, 425980), (722, 387040), (760, 367688), (779, 358720), (820, 340784), (944, 296020), (1121, 249280), (1180, 236816), (1216, 229805), (1312, 212990), (1444, 193520), (1520, 183844), (1558, 179360), (1640, 170392), (1805, 154816), (1888, 148010), (2242, 124640), (2360, 118408), (2419, 115520), (2624, 106495), (2888, 96760), (3040, 91922), (3116, 89680), (3280, 85196), (3610, 77408), (3776, 74005), (3895, 71744), (4484, 62320), (4720, 59204), (4838, 57760), (5605, 49856), (5776, 48380), (6080, 45961), (6232, 44840), (6560, 42598), (7220, 38704), (7790, 35872), (8968, 31160), (9440, 29602), (9676, 28880), (11210, 24928), (11552, 24190), (12095, 23104), (12464, 22420), (13120, 21299), (14440, 19352), (14801, 18880), (15580, 17936)]