317975680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 875111040

約数和(自身を除く): 557135360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 47, 55, 62, 64, 80, 88, 94, 110, 124, 128, 155, 160, 176, 188, 220, 235, 248, 310, 320, 341, 352, 376, 440, 470, 496, 517, 620, 640, 682, 704, 752, 880, 940, 961, 992, 1034, 1240, 1364, 1408, 1457, 1504, 1705, 1760, 1880, 1922, 1984, 2068, 2480, 2585, 2728, 2914, 3008, 3410, 3520, 3760, 3844, 3968, 4136, 4805, 4960, 5170, 5456, 5828, 6016, 6820, 7040, 7285, 7520, 7688, 8272, 9610, 9920, 10340, 10571, 10912, 11656, 13640, 14570, 15040, 15376, 16027, 16544, 19220, 19840, 20680, 21142, 21824, 23312, 27280, 29140, 30080, 30752, 32054, 33088, 38440, 41360, 42284, 43648, 45167, 46624, 52855, 54560, 58280, 61504, 64108, 66176, 76880, 80135, 82720, 84568, 90334, 93248, 105710, 109120, 116560, 123008, 128216, 153760, 160270, 165440, 169136, 180668, 186496, 211420, 218240, 225835, 233120, 256432, 307520, 320540, 330880, 338272, 361336, 422840, 451670, 466240, 496837, 512864, 615040, 641080, 676544, 722672, 845680, 903340, 932480, 993674, 1025728, 1282160, 1353088, 1445344, 1691360, 1806680, 1987348, 2051456, 2484185, 2564320, 2890688, 3382720, 3613360, 3974696, 4968370, 5128640, 5781376, 6765440, 7226720, 7949392, 9936740, 10257280, 14453440, 15898784, 19873480, 28906880, 31797568, 39746960, 63595136, 79493920, 158987840, 317975680]

約数ペア:

[(1, 317975680), (2, 158987840), (4, 79493920), (5, 63595136), (8, 39746960), (10, 31797568), (11, 28906880), (16, 19873480), (20, 15898784), (22, 14453440), (31, 10257280), (32, 9936740), (40, 7949392), (44, 7226720), (47, 6765440), (55, 5781376), (62, 5128640), (64, 4968370), (80, 3974696), (88, 3613360), (94, 3382720), (110, 2890688), (124, 2564320), (128, 2484185), (155, 2051456), (160, 1987348), (176, 1806680), (188, 1691360), (220, 1445344), (235, 1353088), (248, 1282160), (310, 1025728), (320, 993674), (341, 932480), (352, 903340), (376, 845680), (440, 722672), (470, 676544), (496, 641080), (517, 615040), (620, 512864), (640, 496837), (682, 466240), (704, 451670), (752, 422840), (880, 361336), (940, 338272), (961, 330880), (992, 320540), (1034, 307520), (1240, 256432), (1364, 233120), (1408, 225835), (1457, 218240), (1504, 211420), (1705, 186496), (1760, 180668), (1880, 169136), (1922, 165440), (1984, 160270), (2068, 153760), (2480, 128216), (2585, 123008), (2728, 116560), (2914, 109120), (3008, 105710), (3410, 93248), (3520, 90334), (3760, 84568), (3844, 82720), (3968, 80135), (4136, 76880), (4805, 66176), (4960, 64108), (5170, 61504), (5456, 58280), (5828, 54560), (6016, 52855), (6820, 46624), (7040, 45167), (7285, 43648), (7520, 42284), (7688, 41360), (8272, 38440), (9610, 33088), (9920, 32054), (10340, 30752), (10571, 30080), (10912, 29140), (11656, 27280), (13640, 23312), (14570, 21824), (15040, 21142), (15376, 20680), (16027, 19840), (16544, 19220)]