308353280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 804518400

約数和(自身を除く): 496165120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 409, 496, 589, 608, 620, 640, 760, 818, 992, 1178, 1216, 1240, 1280, 1520, 1636, 1984, 2045, 2356, 2432, 2480, 2945, 3040, 3272, 3968, 4090, 4712, 4864, 4960, 5890, 6080, 6544, 7771, 7936, 8180, 9424, 9920, 11780, 12160, 12679, 13088, 15542, 16360, 18848, 19840, 23560, 24320, 25358, 26176, 31084, 32720, 37696, 38855, 39680, 47120, 50716, 52352, 62168, 63395, 65440, 75392, 77710, 94240, 101432, 104704, 124336, 126790, 130880, 150784, 155420, 188480, 202864, 240901, 248672, 253580, 261760, 310840, 376960, 405728, 481802, 497344, 507160, 523520, 621680, 753920, 811456, 963604, 994688, 1014320, 1204505, 1243360, 1622912, 1927208, 1989376, 2028640, 2409010, 2486720, 3245824, 3854416, 4057280, 4818020, 4973440, 7708832, 8114560, 9636040, 9946880, 15417664, 16229120, 19272080, 30835328, 38544160, 61670656, 77088320, 154176640, 308353280]

約数ペア:

[(1, 308353280), (2, 154176640), (4, 77088320), (5, 61670656), (8, 38544160), (10, 30835328), (16, 19272080), (19, 16229120), (20, 15417664), (31, 9946880), (32, 9636040), (38, 8114560), (40, 7708832), (62, 4973440), (64, 4818020), (76, 4057280), (80, 3854416), (95, 3245824), (124, 2486720), (128, 2409010), (152, 2028640), (155, 1989376), (160, 1927208), (190, 1622912), (248, 1243360), (256, 1204505), (304, 1014320), (310, 994688), (320, 963604), (380, 811456), (409, 753920), (496, 621680), (589, 523520), (608, 507160), (620, 497344), (640, 481802), (760, 405728), (818, 376960), (992, 310840), (1178, 261760), (1216, 253580), (1240, 248672), (1280, 240901), (1520, 202864), (1636, 188480), (1984, 155420), (2045, 150784), (2356, 130880), (2432, 126790), (2480, 124336), (2945, 104704), (3040, 101432), (3272, 94240), (3968, 77710), (4090, 75392), (4712, 65440), (4864, 63395), (4960, 62168), (5890, 52352), (6080, 50716), (6544, 47120), (7771, 39680), (7936, 38855), (8180, 37696), (9424, 32720), (9920, 31084), (11780, 26176), (12160, 25358), (12679, 24320), (13088, 23560), (15542, 19840), (16360, 18848)]