277502080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 128

約数和(自身を含む): 697973760

約数和(自身を除く): 420471680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 197, 248, 284, 310, 320, 355, 394, 496, 568, 620, 640, 710, 788, 985, 992, 1136, 1240, 1420, 1576, 1970, 1984, 2201, 2272, 2480, 2840, 3152, 3940, 3968, 4402, 4544, 4960, 5680, 6107, 6304, 7880, 8804, 9088, 9920, 11005, 11360, 12214, 12608, 13987, 15760, 17608, 19840, 22010, 22720, 24428, 25216, 27974, 30535, 31520, 35216, 44020, 45440, 48856, 55948, 61070, 63040, 69935, 70432, 88040, 97712, 111896, 122140, 126080, 139870, 140864, 176080, 195424, 223792, 244280, 279740, 281728, 352160, 390848, 433597, 447584, 488560, 559480, 704320, 781696, 867194, 895168, 977120, 1118960, 1408640, 1734388, 1790336, 1954240, 2167985, 2237920, 3468776, 3908480, 4335970, 4475840, 6937552, 8671940, 8951680, 13875104, 17343880, 27750208, 34687760, 55500416, 69375520, 138751040, 277502080]

約数ペア:

[(1, 277502080), (2, 138751040), (4, 69375520), (5, 55500416), (8, 34687760), (10, 27750208), (16, 17343880), (20, 13875104), (31, 8951680), (32, 8671940), (40, 6937552), (62, 4475840), (64, 4335970), (71, 3908480), (80, 3468776), (124, 2237920), (128, 2167985), (142, 1954240), (155, 1790336), (160, 1734388), (197, 1408640), (248, 1118960), (284, 977120), (310, 895168), (320, 867194), (355, 781696), (394, 704320), (496, 559480), (568, 488560), (620, 447584), (640, 433597), (710, 390848), (788, 352160), (985, 281728), (992, 279740), (1136, 244280), (1240, 223792), (1420, 195424), (1576, 176080), (1970, 140864), (1984, 139870), (2201, 126080), (2272, 122140), (2480, 111896), (2840, 97712), (3152, 88040), (3940, 70432), (3968, 69935), (4402, 63040), (4544, 61070), (4960, 55948), (5680, 48856), (6107, 45440), (6304, 44020), (7880, 35216), (8804, 31520), (9088, 30535), (9920, 27974), (11005, 25216), (11360, 24428), (12214, 22720), (12608, 22010), (13987, 19840), (15760, 17608)]