278145840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9739}}^1$

素因数の和:9779

約数の個数: 160

約数和(自身を含む): 1043504640

約数和(自身を除く): 765358800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 9520, 9739, 14280, 19478, 28560, 29217, 38956, 48695, 58434, 68173, 77912, 97390, 116868, 136346, 146085, 155824, 165563, 194780, 204519, 233736, 272692, 292170, 331126, 340865, 389560, 409038, 467472, 496689, 545384, 584340, 662252, 681730, 779120, 818076, 827815, 993378, 1022595, 1090768, 1158941, 1168680, 1324504, 1363460, 1636152, 1655630, 1986756, 2045190, 2317882, 2337360, 2483445, 2649008, 2726920, 3272304, 3311260, 3476823, 3973512, 4090380, 4635764, 4966890, 5453840, 5794705, 6622520, 6953646, 7947024, 8180760, 9271528, 9933780, 11589410, 13245040, 13907292, 16361520, 17384115, 18543056, 19867560, 23178820, 27814584, 34768230, 39735120, 46357640, 55629168, 69536460, 92715280, 139072920, 278145840]

約数ペア:

[(1, 278145840), (2, 139072920), (3, 92715280), (4, 69536460), (5, 55629168), (6, 46357640), (7, 39735120), (8, 34768230), (10, 27814584), (12, 23178820), (14, 19867560), (15, 18543056), (16, 17384115), (17, 16361520), (20, 13907292), (21, 13245040), (24, 11589410), (28, 9933780), (30, 9271528), (34, 8180760), (35, 7947024), (40, 6953646), (42, 6622520), (48, 5794705), (51, 5453840), (56, 4966890), (60, 4635764), (68, 4090380), (70, 3973512), (80, 3476823), (84, 3311260), (85, 3272304), (102, 2726920), (105, 2649008), (112, 2483445), (119, 2337360), (120, 2317882), (136, 2045190), (140, 1986756), (168, 1655630), (170, 1636152), (204, 1363460), (210, 1324504), (238, 1168680), (240, 1158941), (255, 1090768), (272, 1022595), (280, 993378), (336, 827815), (340, 818076), (357, 779120), (408, 681730), (420, 662252), (476, 584340), (510, 545384), (560, 496689), (595, 467472), (680, 409038), (714, 389560), (816, 340865), (840, 331126), (952, 292170), (1020, 272692), (1190, 233736), (1360, 204519), (1428, 194780), (1680, 165563), (1785, 155824), (1904, 146085), (2040, 136346), (2380, 116868), (2856, 97390), (3570, 77912), (4080, 68173), (4760, 58434), (5712, 48695), (7140, 38956), (9520, 29217), (9739, 28560), (14280, 19478)]