79493920

素因数分解:

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

素因数の和:135

約数の個数: 144

約数和(自身を含む): 216203904

約数和(自身を除く): 136709984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 47, 55, 62, 80, 88, 94, 110, 124, 155, 160, 176, 188, 220, 235, 248, 310, 341, 352, 376, 440, 470, 496, 517, 620, 682, 752, 880, 940, 961, 992, 1034, 1240, 1364, 1457, 1504, 1705, 1760, 1880, 1922, 2068, 2480, 2585, 2728, 2914, 3410, 3760, 3844, 4136, 4805, 4960, 5170, 5456, 5828, 6820, 7285, 7520, 7688, 8272, 9610, 10340, 10571, 10912, 11656, 13640, 14570, 15376, 16027, 16544, 19220, 20680, 21142, 23312, 27280, 29140, 30752, 32054, 38440, 41360, 42284, 45167, 46624, 52855, 54560, 58280, 64108, 76880, 80135, 82720, 84568, 90334, 105710, 116560, 128216, 153760, 160270, 169136, 180668, 211420, 225835, 233120, 256432, 320540, 338272, 361336, 422840, 451670, 496837, 512864, 641080, 722672, 845680, 903340, 993674, 1282160, 1445344, 1691360, 1806680, 1987348, 2484185, 2564320, 3613360, 3974696, 4968370, 7226720, 7949392, 9936740, 15898784, 19873480, 39746960, 79493920]

約数ペア:

[(1, 79493920), (2, 39746960), (4, 19873480), (5, 15898784), (8, 9936740), (10, 7949392), (11, 7226720), (16, 4968370), (20, 3974696), (22, 3613360), (31, 2564320), (32, 2484185), (40, 1987348), (44, 1806680), (47, 1691360), (55, 1445344), (62, 1282160), (80, 993674), (88, 903340), (94, 845680), (110, 722672), (124, 641080), (155, 512864), (160, 496837), (176, 451670), (188, 422840), (220, 361336), (235, 338272), (248, 320540), (310, 256432), (341, 233120), (352, 225835), (376, 211420), (440, 180668), (470, 169136), (496, 160270), (517, 153760), (620, 128216), (682, 116560), (752, 105710), (880, 90334), (940, 84568), (961, 82720), (992, 80135), (1034, 76880), (1240, 64108), (1364, 58280), (1457, 54560), (1504, 52855), (1705, 46624), (1760, 45167), (1880, 42284), (1922, 41360), (2068, 38440), (2480, 32054), (2585, 30752), (2728, 29140), (2914, 27280), (3410, 23312), (3760, 21142), (3844, 20680), (4136, 19220), (4805, 16544), (4960, 16027), (5170, 15376), (5456, 14570), (5828, 13640), (6820, 11656), (7285, 10912), (7520, 10571), (7688, 10340), (8272, 9610)]