318868480

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 264

約数和(自身を含む): 940899456

約数和(自身を除く): 622030976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 41, 49, 56, 62, 64, 70, 80, 82, 98, 112, 124, 128, 140, 155, 160, 164, 196, 205, 217, 224, 245, 248, 256, 280, 287, 310, 320, 328, 392, 410, 434, 448, 490, 496, 512, 560, 574, 620, 640, 656, 784, 820, 868, 896, 980, 992, 1024, 1085, 1120, 1148, 1240, 1271, 1280, 1312, 1435, 1519, 1568, 1640, 1736, 1792, 1960, 1984, 2009, 2170, 2240, 2296, 2480, 2542, 2560, 2624, 2870, 3038, 3136, 3280, 3472, 3584, 3920, 3968, 4018, 4340, 4480, 4592, 4960, 5084, 5120, 5248, 5740, 6076, 6272, 6355, 6560, 6944, 7168, 7595, 7840, 7936, 8036, 8680, 8897, 8960, 9184, 9920, 10045, 10168, 10496, 11480, 12152, 12544, 12710, 13120, 13888, 15190, 15680, 15872, 16072, 17360, 17794, 17920, 18368, 19840, 20090, 20336, 20992, 22960, 24304, 25088, 25420, 26240, 27776, 30380, 31360, 31744, 32144, 34720, 35588, 35840, 36736, 39680, 40180, 40672, 41984, 44485, 45920, 48608, 50176, 50840, 52480, 55552, 60760, 62279, 62720, 64288, 69440, 71176, 73472, 79360, 80360, 81344, 88970, 91840, 97216, 101680, 104960, 111104, 121520, 124558, 125440, 128576, 138880, 142352, 146944, 158720, 160720, 162688, 177940, 183680, 194432, 203360, 209920, 222208, 243040, 249116, 250880, 257152, 277760, 284704, 293888, 311395, 321440, 325376, 355880, 367360, 388864, 406720, 486080, 498232, 514304, 555520, 569408, 622790, 642880, 650752, 711760, 734720, 777728, 813440, 972160, 996464, 1028608, 1111040, 1138816, 1245580, 1285760, 1301504, 1423520, 1469440, 1555456, 1626880, 1944320, 1992928, 2057216, 2277632, 2491160, 2571520, 2847040, 3253760, 3888640, 3985856, 4555264, 4982320, 5143040, 5694080, 6507520, 7777280, 7971712, 9110528, 9964640, 10286080, 11388160, 15943424, 19929280, 22776320, 31886848, 39858560, 45552640, 63773696, 79717120, 159434240, 318868480]

約数ペア:

[(1, 318868480), (2, 159434240), (4, 79717120), (5, 63773696), (7, 45552640), (8, 39858560), (10, 31886848), (14, 22776320), (16, 19929280), (20, 15943424), (28, 11388160), (31, 10286080), (32, 9964640), (35, 9110528), (40, 7971712), (41, 7777280), (49, 6507520), (56, 5694080), (62, 5143040), (64, 4982320), (70, 4555264), (80, 3985856), (82, 3888640), (98, 3253760), (112, 2847040), (124, 2571520), (128, 2491160), (140, 2277632), (155, 2057216), (160, 1992928), (164, 1944320), (196, 1626880), (205, 1555456), (217, 1469440), (224, 1423520), (245, 1301504), (248, 1285760), (256, 1245580), (280, 1138816), (287, 1111040), (310, 1028608), (320, 996464), (328, 972160), (392, 813440), (410, 777728), (434, 734720), (448, 711760), (490, 650752), (496, 642880), (512, 622790), (560, 569408), (574, 555520), (620, 514304), (640, 498232), (656, 486080), (784, 406720), (820, 388864), (868, 367360), (896, 355880), (980, 325376), (992, 321440), (1024, 311395), (1085, 293888), (1120, 284704), (1148, 277760), (1240, 257152), (1271, 250880), (1280, 249116), (1312, 243040), (1435, 222208), (1519, 209920), (1568, 203360), (1640, 194432), (1736, 183680), (1792, 177940), (1960, 162688), (1984, 160720), (2009, 158720), (2170, 146944), (2240, 142352), (2296, 138880), (2480, 128576), (2542, 125440), (2560, 124558), (2624, 121520), (2870, 111104), (3038, 104960), (3136, 101680), (3280, 97216), (3472, 91840), (3584, 88970), (3920, 81344), (3968, 80360), (4018, 79360), (4340, 73472), (4480, 71176), (4592, 69440), (4960, 64288), (5084, 62720), (5120, 62279), (5248, 60760), (5740, 55552), (6076, 52480), (6272, 50840), (6355, 50176), (6560, 48608), (6944, 45920), (7168, 44485), (7595, 41984), (7840, 40672), (7936, 40180), (8036, 39680), (8680, 36736), (8897, 35840), (8960, 35588), (9184, 34720), (9920, 32144), (10045, 31744), (10168, 31360), (10496, 30380), (11480, 27776), (12152, 26240), (12544, 25420), (12710, 25088), (13120, 24304), (13888, 22960), (15190, 20992), (15680, 20336), (15872, 20090), (16072, 19840), (17360, 18368), (17794, 17920)]