128656476

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 376818624

約数和(自身を除く): 248162148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 103, 117, 153, 156, 157, 204, 206, 221, 234, 306, 309, 314, 412, 442, 468, 471, 612, 618, 628, 663, 884, 927, 942, 1236, 1326, 1339, 1413, 1751, 1854, 1884, 1989, 2041, 2652, 2669, 2678, 2826, 3502, 3708, 3978, 4017, 4082, 5253, 5338, 5356, 5652, 6123, 7004, 7956, 8007, 8034, 8164, 10506, 10676, 12051, 12246, 15759, 16014, 16068, 16171, 18369, 21012, 22763, 24021, 24102, 24492, 31518, 32028, 32342, 34697, 36738, 45526, 48042, 48204, 48513, 63036, 64684, 68289, 69394, 73476, 91052, 96084, 97026, 104091, 136578, 138788, 145539, 194052, 204867, 208182, 210223, 273156, 274907, 291078, 312273, 409734, 416364, 420446, 549814, 582156, 624546, 630669, 819468, 824721, 840892, 1099628, 1249092, 1261338, 1649442, 1892007, 2474163, 2522676, 3298884, 3573791, 3784014, 4948326, 7147582, 7568028, 9896652, 10721373, 14295164, 21442746, 32164119, 42885492, 64328238, 128656476]

約数ペア:

[(1, 128656476), (2, 64328238), (3, 42885492), (4, 32164119), (6, 21442746), (9, 14295164), (12, 10721373), (13, 9896652), (17, 7568028), (18, 7147582), (26, 4948326), (34, 3784014), (36, 3573791), (39, 3298884), (51, 2522676), (52, 2474163), (68, 1892007), (78, 1649442), (102, 1261338), (103, 1249092), (117, 1099628), (153, 840892), (156, 824721), (157, 819468), (204, 630669), (206, 624546), (221, 582156), (234, 549814), (306, 420446), (309, 416364), (314, 409734), (412, 312273), (442, 291078), (468, 274907), (471, 273156), (612, 210223), (618, 208182), (628, 204867), (663, 194052), (884, 145539), (927, 138788), (942, 136578), (1236, 104091), (1326, 97026), (1339, 96084), (1413, 91052), (1751, 73476), (1854, 69394), (1884, 68289), (1989, 64684), (2041, 63036), (2652, 48513), (2669, 48204), (2678, 48042), (2826, 45526), (3502, 36738), (3708, 34697), (3978, 32342), (4017, 32028), (4082, 31518), (5253, 24492), (5338, 24102), (5356, 24021), (5652, 22763), (6123, 21012), (7004, 18369), (7956, 16171), (8007, 16068), (8034, 16014), (8164, 15759), (10506, 12246), (10676, 12051)]