278320080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:389

約数の個数: 160

約数和(自身を含む): 893692800

約数和(自身を除く): 615372720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 149, 172, 181, 215, 240, 258, 298, 344, 362, 430, 447, 516, 543, 596, 645, 688, 724, 745, 860, 894, 905, 1032, 1086, 1192, 1290, 1448, 1490, 1720, 1788, 1810, 2064, 2172, 2235, 2384, 2580, 2715, 2896, 2980, 3440, 3576, 3620, 4344, 4470, 5160, 5430, 5960, 6407, 7152, 7240, 7783, 8688, 8940, 10320, 10860, 11920, 12814, 14480, 15566, 17880, 19221, 21720, 23349, 25628, 26969, 31132, 32035, 35760, 38442, 38915, 43440, 46698, 51256, 53938, 62264, 64070, 76884, 77830, 80907, 93396, 96105, 102512, 107876, 116745, 124528, 128140, 134845, 153768, 155660, 161814, 186792, 192210, 215752, 233490, 256280, 269690, 307536, 311320, 323628, 373584, 384420, 404535, 431504, 466980, 512560, 539380, 622640, 647256, 768840, 809070, 933960, 1078760, 1159667, 1294512, 1537680, 1618140, 1867920, 2157520, 2319334, 3236280, 3479001, 4638668, 5798335, 6472560, 6958002, 9277336, 11596670, 13916004, 17395005, 18554672, 23193340, 27832008, 34790010, 46386680, 55664016, 69580020, 92773360, 139160040, 278320080]

約数ペア:

[(1, 278320080), (2, 139160040), (3, 92773360), (4, 69580020), (5, 55664016), (6, 46386680), (8, 34790010), (10, 27832008), (12, 23193340), (15, 18554672), (16, 17395005), (20, 13916004), (24, 11596670), (30, 9277336), (40, 6958002), (43, 6472560), (48, 5798335), (60, 4638668), (80, 3479001), (86, 3236280), (120, 2319334), (129, 2157520), (149, 1867920), (172, 1618140), (181, 1537680), (215, 1294512), (240, 1159667), (258, 1078760), (298, 933960), (344, 809070), (362, 768840), (430, 647256), (447, 622640), (516, 539380), (543, 512560), (596, 466980), (645, 431504), (688, 404535), (724, 384420), (745, 373584), (860, 323628), (894, 311320), (905, 307536), (1032, 269690), (1086, 256280), (1192, 233490), (1290, 215752), (1448, 192210), (1490, 186792), (1720, 161814), (1788, 155660), (1810, 153768), (2064, 134845), (2172, 128140), (2235, 124528), (2384, 116745), (2580, 107876), (2715, 102512), (2896, 96105), (2980, 93396), (3440, 80907), (3576, 77830), (3620, 76884), (4344, 64070), (4470, 62264), (5160, 53938), (5430, 51256), (5960, 46698), (6407, 43440), (7152, 38915), (7240, 38442), (7783, 35760), (8688, 32035), (8940, 31132), (10320, 26969), (10860, 25628), (11920, 23349), (12814, 21720), (14480, 19221), (15566, 17880)]