646634857520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1\times {\mathrm{5107}}^1$

素因数の和:5887

約数の個数: 160

約数和(自身を含む): 1605017861568

約数和(自身を除く): 958383004048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 272, 314, 340, 593, 628, 680, 785, 1186, 1256, 1360, 1570, 2372, 2512, 2669, 2965, 3140, 4744, 5107, 5338, 5930, 6280, 9488, 10081, 10214, 10676, 11860, 12560, 13345, 20162, 20428, 21352, 23720, 25535, 26690, 40324, 40856, 42704, 47440, 50405, 51070, 53380, 80648, 81712, 86819, 93101, 100810, 102140, 106760, 161296, 173638, 186202, 201620, 204280, 213520, 347276, 372404, 403240, 408560, 434095, 465505, 694552, 744808, 801799, 806480, 868190, 931010, 1389104, 1489616, 1582717, 1603598, 1736380, 1862020, 3028451, 3165434, 3207196, 3472760, 3724040, 4008995, 6056902, 6330868, 6414392, 6945520, 7448080, 7913585, 8017990, 12113804, 12661736, 12828784, 13630583, 15142255, 15827170, 16035980, 24227608, 25323472, 27261166, 30284510, 31654340, 32071960, 48455216, 51483667, 54522332, 60569020, 63308680, 64143920, 68152915, 102967334, 109044664, 121138040, 126617360, 136305830, 205934668, 218089328, 242276080, 257418335, 272611660, 411869336, 475466807, 514836670, 545223320, 823738672, 950933614, 1029673340, 1090446640, 1901867228, 2059346680, 2377334035, 3803734456, 4118693360, 4754668070, 7607468912, 8082935719, 9509336140, 16165871438, 19018672280, 32331742876, 38037344560, 40414678595, 64663485752, 80829357190, 129326971504, 161658714380, 323317428760, 646634857520]

約数ペア:

[(1, 646634857520), (2, 323317428760), (4, 161658714380), (5, 129326971504), (8, 80829357190), (10, 64663485752), (16, 40414678595), (17, 38037344560), (20, 32331742876), (34, 19018672280), (40, 16165871438), (68, 9509336140), (80, 8082935719), (85, 7607468912), (136, 4754668070), (157, 4118693360), (170, 3803734456), (272, 2377334035), (314, 2059346680), (340, 1901867228), (593, 1090446640), (628, 1029673340), (680, 950933614), (785, 823738672), (1186, 545223320), (1256, 514836670), (1360, 475466807), (1570, 411869336), (2372, 272611660), (2512, 257418335), (2669, 242276080), (2965, 218089328), (3140, 205934668), (4744, 136305830), (5107, 126617360), (5338, 121138040), (5930, 109044664), (6280, 102967334), (9488, 68152915), (10081, 64143920), (10214, 63308680), (10676, 60569020), (11860, 54522332), (12560, 51483667), (13345, 48455216), (20162, 32071960), (20428, 31654340), (21352, 30284510), (23720, 27261166), (25535, 25323472), (26690, 24227608), (40324, 16035980), (40856, 15827170), (42704, 15142255), (47440, 13630583), (50405, 12828784), (51070, 12661736), (53380, 12113804), (80648, 8017990), (81712, 7913585), (86819, 7448080), (93101, 6945520), (100810, 6414392), (102140, 6330868), (106760, 6056902), (161296, 4008995), (173638, 3724040), (186202, 3472760), (201620, 3207196), (204280, 3165434), (213520, 3028451), (347276, 1862020), (372404, 1736380), (403240, 1603598), (408560, 1582717), (434095, 1489616), (465505, 1389104), (694552, 931010), (744808, 868190), (801799, 806480)]