278734560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2401

約数の個数: 192

約数和(自身を含む): 995742720

約数和(自身を除く): 717008160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 416, 456, 480, 494, 520, 570, 608, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1248, 1482, 1520, 1560, 1824, 1976, 2080, 2280, 2351, 2470, 2964, 3040, 3120, 3705, 3952, 4560, 4702, 4940, 5928, 6240, 7053, 7410, 7904, 9120, 9404, 9880, 11755, 11856, 14106, 14820, 18808, 19760, 23510, 23712, 28212, 29640, 30563, 35265, 37616, 39520, 44669, 47020, 56424, 59280, 61126, 70530, 75232, 89338, 91689, 94040, 112848, 118560, 122252, 134007, 141060, 152815, 178676, 183378, 188080, 223345, 225696, 244504, 268014, 282120, 305630, 357352, 366756, 376160, 446690, 458445, 489008, 536028, 564240, 580697, 611260, 670035, 714704, 733512, 893380, 916890, 978016, 1072056, 1128480, 1161394, 1222520, 1340070, 1429408, 1467024, 1742091, 1786760, 1833780, 2144112, 2322788, 2445040, 2680140, 2903485, 2934048, 3484182, 3573520, 3667560, 4288224, 4645576, 4890080, 5360280, 5806970, 6968364, 7147040, 7335120, 8710455, 9291152, 10720560, 11613940, 13936728, 14670240, 17420910, 18582304, 21441120, 23227880, 27873456, 34841820, 46455760, 55746912, 69683640, 92911520, 139367280, 278734560]

約数ペア:

[(1, 278734560), (2, 139367280), (3, 92911520), (4, 69683640), (5, 55746912), (6, 46455760), (8, 34841820), (10, 27873456), (12, 23227880), (13, 21441120), (15, 18582304), (16, 17420910), (19, 14670240), (20, 13936728), (24, 11613940), (26, 10720560), (30, 9291152), (32, 8710455), (38, 7335120), (39, 7147040), (40, 6968364), (48, 5806970), (52, 5360280), (57, 4890080), (60, 4645576), (65, 4288224), (76, 3667560), (78, 3573520), (80, 3484182), (95, 2934048), (96, 2903485), (104, 2680140), (114, 2445040), (120, 2322788), (130, 2144112), (152, 1833780), (156, 1786760), (160, 1742091), (190, 1467024), (195, 1429408), (208, 1340070), (228, 1222520), (240, 1161394), (247, 1128480), (260, 1072056), (285, 978016), (304, 916890), (312, 893380), (380, 733512), (390, 714704), (416, 670035), (456, 611260), (480, 580697), (494, 564240), (520, 536028), (570, 489008), (608, 458445), (624, 446690), (741, 376160), (760, 366756), (780, 357352), (912, 305630), (988, 282120), (1040, 268014), (1140, 244504), (1235, 225696), (1248, 223345), (1482, 188080), (1520, 183378), (1560, 178676), (1824, 152815), (1976, 141060), (2080, 134007), (2280, 122252), (2351, 118560), (2470, 112848), (2964, 94040), (3040, 91689), (3120, 89338), (3705, 75232), (3952, 70530), (4560, 61126), (4702, 59280), (4940, 56424), (5928, 47020), (6240, 44669), (7053, 39520), (7410, 37616), (7904, 35265), (9120, 30563), (9404, 29640), (9880, 28212), (11755, 23712), (11856, 23510), (14106, 19760), (14820, 18808)]