279709640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 256

約数和(自身を含む): 820800000

約数和(自身を除く): 541090360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 37, 38, 40, 49, 56, 58, 70, 74, 76, 95, 98, 116, 133, 140, 145, 148, 152, 185, 190, 196, 203, 232, 245, 259, 266, 280, 290, 296, 343, 370, 380, 392, 406, 490, 518, 532, 551, 580, 665, 686, 703, 740, 760, 812, 931, 980, 1015, 1036, 1064, 1073, 1102, 1160, 1295, 1330, 1372, 1406, 1421, 1480, 1624, 1715, 1813, 1862, 1960, 2030, 2072, 2146, 2204, 2590, 2660, 2744, 2755, 2812, 2842, 3430, 3515, 3626, 3724, 3857, 4060, 4292, 4408, 4655, 4921, 5180, 5320, 5365, 5510, 5624, 5684, 6517, 6860, 7030, 7105, 7252, 7448, 7511, 7714, 8120, 8584, 9065, 9310, 9842, 9947, 10360, 10730, 11020, 11368, 12691, 13034, 13720, 14060, 14210, 14504, 15022, 15428, 18130, 18620, 19285, 19684, 19894, 20387, 21460, 22040, 24605, 25382, 26068, 26999, 28120, 28420, 30044, 30856, 32585, 34447, 36260, 37240, 37555, 38570, 39368, 39788, 40774, 42920, 49210, 49735, 50764, 52136, 52577, 53998, 56840, 60088, 63455, 65170, 68894, 72520, 75110, 77140, 79576, 81548, 98420, 99470, 101528, 101935, 105154, 107996, 126910, 130340, 134995, 137788, 142709, 150220, 154280, 163096, 172235, 188993, 196840, 198940, 203870, 210308, 215992, 241129, 253820, 260680, 262885, 269990, 275576, 285418, 300440, 344470, 368039, 377986, 397880, 407740, 420616, 482258, 507640, 525770, 539980, 570836, 688940, 713545, 736078, 755972, 815480, 944965, 964516, 998963, 1051540, 1079960, 1141672, 1205645, 1377880, 1427090, 1472156, 1511944, 1840195, 1889930, 1929032, 1997926, 2103080, 2411290, 2854180, 2944312, 3680390, 3779860, 3995852, 4822580, 4994815, 5708360, 6992741, 7360780, 7559720, 7991704, 9645160, 9989630, 13985482, 14721560, 19979260, 27970964, 34963705, 39958520, 55941928, 69927410, 139854820, 279709640]

約数ペア:

[(1, 279709640), (2, 139854820), (4, 69927410), (5, 55941928), (7, 39958520), (8, 34963705), (10, 27970964), (14, 19979260), (19, 14721560), (20, 13985482), (28, 9989630), (29, 9645160), (35, 7991704), (37, 7559720), (38, 7360780), (40, 6992741), (49, 5708360), (56, 4994815), (58, 4822580), (70, 3995852), (74, 3779860), (76, 3680390), (95, 2944312), (98, 2854180), (116, 2411290), (133, 2103080), (140, 1997926), (145, 1929032), (148, 1889930), (152, 1840195), (185, 1511944), (190, 1472156), (196, 1427090), (203, 1377880), (232, 1205645), (245, 1141672), (259, 1079960), (266, 1051540), (280, 998963), (290, 964516), (296, 944965), (343, 815480), (370, 755972), (380, 736078), (392, 713545), (406, 688940), (490, 570836), (518, 539980), (532, 525770), (551, 507640), (580, 482258), (665, 420616), (686, 407740), (703, 397880), (740, 377986), (760, 368039), (812, 344470), (931, 300440), (980, 285418), (1015, 275576), (1036, 269990), (1064, 262885), (1073, 260680), (1102, 253820), (1160, 241129), (1295, 215992), (1330, 210308), (1372, 203870), (1406, 198940), (1421, 196840), (1480, 188993), (1624, 172235), (1715, 163096), (1813, 154280), (1862, 150220), (1960, 142709), (2030, 137788), (2072, 134995), (2146, 130340), (2204, 126910), (2590, 107996), (2660, 105154), (2744, 101935), (2755, 101528), (2812, 99470), (2842, 98420), (3430, 81548), (3515, 79576), (3626, 77140), (3724, 75110), (3857, 72520), (4060, 68894), (4292, 65170), (4408, 63455), (4655, 60088), (4921, 56840), (5180, 53998), (5320, 52577), (5365, 52136), (5510, 50764), (5624, 49735), (5684, 49210), (6517, 42920), (6860, 40774), (7030, 39788), (7105, 39368), (7252, 38570), (7448, 37555), (7511, 37240), (7714, 36260), (8120, 34447), (8584, 32585), (9065, 30856), (9310, 30044), (9842, 28420), (9947, 28120), (10360, 26999), (10730, 26068), (11020, 25382), (11368, 24605), (12691, 22040), (13034, 21460), (13720, 20387), (14060, 19894), (14210, 19684), (14504, 19285), (15022, 18620), (15428, 18130)]