690719680

素因数分解:

$2^6\times 5^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 280

約数和(自身を含む): 2048987520

約数和(自身を除く): 1358267840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 49, 56, 58, 62, 64, 70, 80, 98, 112, 116, 124, 140, 145, 155, 160, 196, 203, 217, 224, 232, 245, 248, 280, 290, 310, 320, 343, 392, 406, 434, 448, 464, 490, 496, 560, 580, 620, 686, 784, 812, 868, 899, 928, 980, 992, 1015, 1085, 1120, 1160, 1240, 1372, 1421, 1519, 1568, 1624, 1715, 1736, 1798, 1856, 1960, 1984, 2030, 2170, 2240, 2320, 2401, 2480, 2744, 2842, 3038, 3136, 3248, 3430, 3472, 3596, 3920, 4060, 4340, 4495, 4640, 4802, 4960, 5488, 5684, 6076, 6293, 6496, 6860, 6944, 7105, 7192, 7595, 7840, 8120, 8680, 8990, 9280, 9604, 9920, 9947, 10633, 10976, 11368, 12005, 12152, 12586, 12992, 13720, 13888, 14210, 14384, 15190, 15680, 16240, 17360, 17980, 19208, 19894, 21266, 21952, 22736, 24010, 24304, 25172, 27440, 28420, 28768, 30380, 31465, 32480, 34720, 35960, 38416, 39788, 42532, 44051, 45472, 48020, 48608, 49735, 50344, 53165, 54880, 56840, 57536, 60760, 62930, 64960, 69440, 69629, 71920, 74431, 76832, 79576, 85064, 88102, 90944, 96040, 97216, 99470, 100688, 106330, 109760, 113680, 121520, 125860, 139258, 143840, 148862, 153664, 159152, 170128, 176204, 192080, 198940, 201376, 212660, 220255, 227360, 243040, 251720, 278516, 287680, 297724, 308357, 318304, 340256, 348145, 352408, 372155, 384160, 397880, 402752, 425320, 440510, 454720, 486080, 503440, 557032, 595448, 616714, 636608, 680512, 696290, 704816, 744310, 768320, 795760, 850640, 881020, 1006880, 1114064, 1190896, 1233428, 1392580, 1409632, 1488620, 1541785, 1591520, 1701280, 1762040, 2013760, 2158499, 2228128, 2381792, 2466856, 2785160, 2819264, 2977240, 3083570, 3183040, 3402560, 3524080, 4316998, 4456256, 4763584, 4933712, 5570320, 5954480, 6167140, 7048160, 8633996, 9867424, 10792495, 11140640, 11908960, 12334280, 14096320, 17267992, 19734848, 21584990, 22281280, 23817920, 24668560, 34535984, 43169980, 49337120, 69071968, 86339960, 98674240, 138143936, 172679920, 345359840, 690719680]

約数ペア:

[(1, 690719680), (2, 345359840), (4, 172679920), (5, 138143936), (7, 98674240), (8, 86339960), (10, 69071968), (14, 49337120), (16, 43169980), (20, 34535984), (28, 24668560), (29, 23817920), (31, 22281280), (32, 21584990), (35, 19734848), (40, 17267992), (49, 14096320), (56, 12334280), (58, 11908960), (62, 11140640), (64, 10792495), (70, 9867424), (80, 8633996), (98, 7048160), (112, 6167140), (116, 5954480), (124, 5570320), (140, 4933712), (145, 4763584), (155, 4456256), (160, 4316998), (196, 3524080), (203, 3402560), (217, 3183040), (224, 3083570), (232, 2977240), (245, 2819264), (248, 2785160), (280, 2466856), (290, 2381792), (310, 2228128), (320, 2158499), (343, 2013760), (392, 1762040), (406, 1701280), (434, 1591520), (448, 1541785), (464, 1488620), (490, 1409632), (496, 1392580), (560, 1233428), (580, 1190896), (620, 1114064), (686, 1006880), (784, 881020), (812, 850640), (868, 795760), (899, 768320), (928, 744310), (980, 704816), (992, 696290), (1015, 680512), (1085, 636608), (1120, 616714), (1160, 595448), (1240, 557032), (1372, 503440), (1421, 486080), (1519, 454720), (1568, 440510), (1624, 425320), (1715, 402752), (1736, 397880), (1798, 384160), (1856, 372155), (1960, 352408), (1984, 348145), (2030, 340256), (2170, 318304), (2240, 308357), (2320, 297724), (2401, 287680), (2480, 278516), (2744, 251720), (2842, 243040), (3038, 227360), (3136, 220255), (3248, 212660), (3430, 201376), (3472, 198940), (3596, 192080), (3920, 176204), (4060, 170128), (4340, 159152), (4495, 153664), (4640, 148862), (4802, 143840), (4960, 139258), (5488, 125860), (5684, 121520), (6076, 113680), (6293, 109760), (6496, 106330), (6860, 100688), (6944, 99470), (7105, 97216), (7192, 96040), (7595, 90944), (7840, 88102), (8120, 85064), (8680, 79576), (8990, 76832), (9280, 74431), (9604, 71920), (9920, 69629), (9947, 69440), (10633, 64960), (10976, 62930), (11368, 60760), (12005, 57536), (12152, 56840), (12586, 54880), (12992, 53165), (13720, 50344), (13888, 49735), (14210, 48608), (14384, 48020), (15190, 45472), (15680, 44051), (16240, 42532), (17360, 39788), (17980, 38416), (19208, 35960), (19894, 34720), (21266, 32480), (21952, 31465), (22736, 30380), (24010, 28768), (24304, 28420), (25172, 27440)]