128952560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 351406080

約数和(自身を除く): 222453520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 40, 44, 55, 58, 62, 80, 88, 110, 116, 124, 145, 155, 163, 176, 220, 232, 248, 290, 310, 319, 326, 341, 440, 464, 496, 580, 620, 638, 652, 682, 815, 880, 899, 1160, 1240, 1276, 1304, 1364, 1595, 1630, 1705, 1793, 1798, 2320, 2480, 2552, 2608, 2728, 3190, 3260, 3410, 3586, 3596, 4495, 4727, 5053, 5104, 5456, 6380, 6520, 6820, 7172, 7192, 8965, 8990, 9454, 9889, 10106, 12760, 13040, 13640, 14344, 14384, 17930, 17980, 18908, 19778, 20212, 23635, 25265, 25520, 27280, 28688, 35860, 35960, 37816, 39556, 40424, 47270, 49445, 50530, 51997, 55583, 71720, 71920, 75632, 79112, 80848, 94540, 98890, 101060, 103994, 111166, 143440, 146537, 158224, 189080, 197780, 202120, 207988, 222332, 259985, 277915, 293074, 378160, 395560, 404240, 415976, 444664, 519970, 555830, 586148, 732685, 791120, 831952, 889328, 1039940, 1111660, 1172296, 1465370, 1611907, 2079880, 2223320, 2344592, 2930740, 3223814, 4159760, 4446640, 5861480, 6447628, 8059535, 11722960, 12895256, 16119070, 25790512, 32238140, 64476280, 128952560]

約数ペア:

[(1, 128952560), (2, 64476280), (4, 32238140), (5, 25790512), (8, 16119070), (10, 12895256), (11, 11722960), (16, 8059535), (20, 6447628), (22, 5861480), (29, 4446640), (31, 4159760), (40, 3223814), (44, 2930740), (55, 2344592), (58, 2223320), (62, 2079880), (80, 1611907), (88, 1465370), (110, 1172296), (116, 1111660), (124, 1039940), (145, 889328), (155, 831952), (163, 791120), (176, 732685), (220, 586148), (232, 555830), (248, 519970), (290, 444664), (310, 415976), (319, 404240), (326, 395560), (341, 378160), (440, 293074), (464, 277915), (496, 259985), (580, 222332), (620, 207988), (638, 202120), (652, 197780), (682, 189080), (815, 158224), (880, 146537), (899, 143440), (1160, 111166), (1240, 103994), (1276, 101060), (1304, 98890), (1364, 94540), (1595, 80848), (1630, 79112), (1705, 75632), (1793, 71920), (1798, 71720), (2320, 55583), (2480, 51997), (2552, 50530), (2608, 49445), (2728, 47270), (3190, 40424), (3260, 39556), (3410, 37816), (3586, 35960), (3596, 35860), (4495, 28688), (4727, 27280), (5053, 25520), (5104, 25265), (5456, 23635), (6380, 20212), (6520, 19778), (6820, 18908), (7172, 17980), (7192, 17930), (8965, 14384), (8990, 14344), (9454, 13640), (9889, 13040), (10106, 12760)]