520080800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 1334414592

約数和(自身を除く): 814333792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 67, 80, 100, 124, 134, 155, 160, 200, 248, 268, 310, 313, 335, 400, 496, 536, 620, 626, 670, 775, 800, 992, 1072, 1240, 1252, 1340, 1550, 1565, 1675, 2077, 2144, 2480, 2504, 2680, 3100, 3130, 3350, 4154, 4960, 5008, 5360, 6200, 6260, 6700, 7825, 8308, 9703, 10016, 10385, 10720, 12400, 12520, 13400, 15650, 16616, 19406, 20770, 20971, 24800, 25040, 26800, 31300, 33232, 38812, 41540, 41942, 48515, 50080, 51925, 53600, 62600, 66464, 77624, 83080, 83884, 97030, 103850, 104855, 125200, 155248, 166160, 167768, 194060, 207700, 209710, 242575, 250400, 310496, 332320, 335536, 388120, 415400, 419420, 485150, 524275, 650101, 671072, 776240, 830800, 838840, 970300, 1048550, 1300202, 1552480, 1661600, 1677680, 1940600, 2097100, 2600404, 3250505, 3355360, 3881200, 4194200, 5200808, 6501010, 7762400, 8388400, 10401616, 13002020, 16252525, 16776800, 20803232, 26004040, 32505050, 52008080, 65010100, 104016160, 130020200, 260040400, 520080800]

約数ペア:

[(1, 520080800), (2, 260040400), (4, 130020200), (5, 104016160), (8, 65010100), (10, 52008080), (16, 32505050), (20, 26004040), (25, 20803232), (31, 16776800), (32, 16252525), (40, 13002020), (50, 10401616), (62, 8388400), (67, 7762400), (80, 6501010), (100, 5200808), (124, 4194200), (134, 3881200), (155, 3355360), (160, 3250505), (200, 2600404), (248, 2097100), (268, 1940600), (310, 1677680), (313, 1661600), (335, 1552480), (400, 1300202), (496, 1048550), (536, 970300), (620, 838840), (626, 830800), (670, 776240), (775, 671072), (800, 650101), (992, 524275), (1072, 485150), (1240, 419420), (1252, 415400), (1340, 388120), (1550, 335536), (1565, 332320), (1675, 310496), (2077, 250400), (2144, 242575), (2480, 209710), (2504, 207700), (2680, 194060), (3100, 167768), (3130, 166160), (3350, 155248), (4154, 125200), (4960, 104855), (5008, 103850), (5360, 97030), (6200, 83884), (6260, 83080), (6700, 77624), (7825, 66464), (8308, 62600), (9703, 53600), (10016, 51925), (10385, 50080), (10720, 48515), (12400, 41942), (12520, 41540), (13400, 38812), (15650, 33232), (16616, 31300), (19406, 26800), (20770, 25040), (20971, 24800)]