687059840

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 1692057600

約数和(自身を除く): 1004997760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 107, 127, 128, 158, 160, 214, 254, 316, 320, 395, 428, 508, 535, 632, 635, 640, 790, 856, 1016, 1070, 1264, 1270, 1580, 1712, 2032, 2140, 2528, 2540, 3160, 3424, 4064, 4280, 5056, 5080, 6320, 6848, 8128, 8453, 8560, 10033, 10112, 10160, 12640, 13589, 13696, 16256, 16906, 17120, 20066, 20320, 25280, 27178, 33812, 34240, 40132, 40640, 42265, 50165, 50560, 54356, 67624, 67945, 68480, 80264, 81280, 84530, 100330, 108712, 135248, 135890, 160528, 169060, 200660, 217424, 270496, 271780, 321056, 338120, 401320, 434848, 540992, 543560, 642112, 676240, 802640, 869696, 1073531, 1081984, 1087120, 1284224, 1352480, 1605280, 1739392, 2147062, 2174240, 2704960, 3210560, 4294124, 4348480, 5367655, 5409920, 6421120, 8588248, 8696960, 10735310, 17176496, 21470620, 34352992, 42941240, 68705984, 85882480, 137411968, 171764960, 343529920, 687059840]

約数ペア:

[(1, 687059840), (2, 343529920), (4, 171764960), (5, 137411968), (8, 85882480), (10, 68705984), (16, 42941240), (20, 34352992), (32, 21470620), (40, 17176496), (64, 10735310), (79, 8696960), (80, 8588248), (107, 6421120), (127, 5409920), (128, 5367655), (158, 4348480), (160, 4294124), (214, 3210560), (254, 2704960), (316, 2174240), (320, 2147062), (395, 1739392), (428, 1605280), (508, 1352480), (535, 1284224), (632, 1087120), (635, 1081984), (640, 1073531), (790, 869696), (856, 802640), (1016, 676240), (1070, 642112), (1264, 543560), (1270, 540992), (1580, 434848), (1712, 401320), (2032, 338120), (2140, 321056), (2528, 271780), (2540, 270496), (3160, 217424), (3424, 200660), (4064, 169060), (4280, 160528), (5056, 135890), (5080, 135248), (6320, 108712), (6848, 100330), (8128, 84530), (8453, 81280), (8560, 80264), (10033, 68480), (10112, 67945), (10160, 67624), (12640, 54356), (13589, 50560), (13696, 50165), (16256, 42265), (16906, 40640), (17120, 40132), (20066, 34240), (20320, 33812), (25280, 27178)]