280216560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 320

約数和(自身を含む): 1024934400

約数和(自身を除く): 744717840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 29, 30, 38, 39, 40, 48, 52, 57, 58, 60, 65, 76, 78, 80, 87, 95, 104, 114, 116, 120, 130, 145, 152, 156, 163, 174, 190, 195, 208, 228, 232, 240, 247, 260, 285, 290, 304, 312, 326, 348, 377, 380, 390, 435, 456, 464, 489, 494, 520, 551, 570, 580, 624, 652, 696, 741, 754, 760, 780, 815, 870, 912, 978, 988, 1040, 1102, 1131, 1140, 1160, 1235, 1304, 1392, 1482, 1508, 1520, 1560, 1630, 1653, 1740, 1885, 1956, 1976, 2119, 2204, 2262, 2280, 2320, 2445, 2470, 2608, 2755, 2964, 3016, 3097, 3120, 3260, 3306, 3480, 3705, 3770, 3912, 3952, 4238, 4408, 4524, 4560, 4727, 4890, 4940, 5510, 5655, 5928, 6032, 6194, 6357, 6520, 6612, 6960, 7163, 7410, 7540, 7824, 8265, 8476, 8816, 9048, 9291, 9454, 9780, 9880, 10595, 11020, 11310, 11856, 12388, 12714, 13040, 13224, 14181, 14326, 14820, 15080, 15485, 16530, 16952, 18096, 18582, 18908, 19560, 19760, 21190, 21489, 22040, 22620, 23635, 24776, 25428, 26448, 28362, 28652, 29640, 30160, 30970, 31785, 33060, 33904, 35815, 37164, 37816, 39120, 40261, 42380, 42978, 44080, 45240, 46455, 47270, 49552, 50856, 56724, 57304, 59280, 61451, 61940, 63570, 66120, 70905, 71630, 74328, 75632, 80522, 84760, 85956, 89813, 90480, 92910, 94540, 101712, 107445, 113448, 114608, 120783, 122902, 123880, 127140, 132240, 141810, 143260, 148656, 161044, 169520, 171912, 179626, 184353, 185820, 189080, 201305, 214890, 226896, 241566, 245804, 247760, 254280, 269439, 283620, 286520, 307255, 322088, 343824, 359252, 368706, 371640, 378160, 402610, 429780, 449065, 483132, 491608, 508560, 538878, 567240, 573040, 603915, 614510, 644176, 718504, 737412, 743280, 805220, 859560, 898130, 921765, 966264, 983216, 1077756, 1134480, 1167569, 1207830, 1229020, 1347195, 1437008, 1474824, 1610440, 1719120, 1796260, 1843530, 1932528, 2155512, 2335138, 2415660, 2458040, 2694390, 2949648, 3220880, 3502707, 3592520, 3687060, 4311024, 4670276, 4831320, 4916080, 5388780, 5837845, 7005414, 7185040, 7374120, 9340552, 9662640, 10777560, 11675690, 14010828, 14748240, 17513535, 18681104, 21555120, 23351380, 28021656, 35027070, 46702760, 56043312, 70054140, 93405520, 140108280, 280216560]

約数ペア:

[(1, 280216560), (2, 140108280), (3, 93405520), (4, 70054140), (5, 56043312), (6, 46702760), (8, 35027070), (10, 28021656), (12, 23351380), (13, 21555120), (15, 18681104), (16, 17513535), (19, 14748240), (20, 14010828), (24, 11675690), (26, 10777560), (29, 9662640), (30, 9340552), (38, 7374120), (39, 7185040), (40, 7005414), (48, 5837845), (52, 5388780), (57, 4916080), (58, 4831320), (60, 4670276), (65, 4311024), (76, 3687060), (78, 3592520), (80, 3502707), (87, 3220880), (95, 2949648), (104, 2694390), (114, 2458040), (116, 2415660), (120, 2335138), (130, 2155512), (145, 1932528), (152, 1843530), (156, 1796260), (163, 1719120), (174, 1610440), (190, 1474824), (195, 1437008), (208, 1347195), (228, 1229020), (232, 1207830), (240, 1167569), (247, 1134480), (260, 1077756), (285, 983216), (290, 966264), (304, 921765), (312, 898130), (326, 859560), (348, 805220), (377, 743280), (380, 737412), (390, 718504), (435, 644176), (456, 614510), (464, 603915), (489, 573040), (494, 567240), (520, 538878), (551, 508560), (570, 491608), (580, 483132), (624, 449065), (652, 429780), (696, 402610), (741, 378160), (754, 371640), (760, 368706), (780, 359252), (815, 343824), (870, 322088), (912, 307255), (978, 286520), (988, 283620), (1040, 269439), (1102, 254280), (1131, 247760), (1140, 245804), (1160, 241566), (1235, 226896), (1304, 214890), (1392, 201305), (1482, 189080), (1508, 185820), (1520, 184353), (1560, 179626), (1630, 171912), (1653, 169520), (1740, 161044), (1885, 148656), (1956, 143260), (1976, 141810), (2119, 132240), (2204, 127140), (2262, 123880), (2280, 122902), (2320, 120783), (2445, 114608), (2470, 113448), (2608, 107445), (2755, 101712), (2964, 94540), (3016, 92910), (3097, 90480), (3120, 89813), (3260, 85956), (3306, 84760), (3480, 80522), (3705, 75632), (3770, 74328), (3912, 71630), (3952, 70905), (4238, 66120), (4408, 63570), (4524, 61940), (4560, 61451), (4727, 59280), (4890, 57304), (4940, 56724), (5510, 50856), (5655, 49552), (5928, 47270), (6032, 46455), (6194, 45240), (6357, 44080), (6520, 42978), (6612, 42380), (6960, 40261), (7163, 39120), (7410, 37816), (7540, 37164), (7824, 35815), (8265, 33904), (8476, 33060), (8816, 31785), (9048, 30970), (9291, 30160), (9454, 29640), (9780, 28652), (9880, 28362), (10595, 26448), (11020, 25428), (11310, 24776), (11856, 23635), (12388, 22620), (12714, 22040), (13040, 21489), (13224, 21190), (14181, 19760), (14326, 19560), (14820, 18908), (15080, 18582), (15485, 18096), (16530, 16952)]