620384520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 256

約数和(自身を含む): 2244464640

約数和(自身を除く): 1624080120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 163, 168, 184, 197, 210, 230, 276, 280, 322, 326, 345, 394, 420, 460, 483, 489, 552, 591, 644, 652, 690, 788, 805, 815, 840, 920, 966, 978, 985, 1141, 1182, 1288, 1304, 1379, 1380, 1576, 1610, 1630, 1932, 1956, 1970, 2282, 2364, 2415, 2445, 2758, 2760, 2955, 3220, 3260, 3423, 3749, 3864, 3912, 3940, 4137, 4531, 4564, 4728, 4830, 4890, 5516, 5705, 5910, 6440, 6520, 6846, 6895, 7498, 7880, 8274, 9062, 9128, 9660, 9780, 11032, 11247, 11410, 11820, 13593, 13692, 13790, 14996, 16548, 17115, 18124, 18745, 19320, 19560, 20685, 22494, 22655, 22820, 23640, 26243, 27186, 27384, 27580, 29992, 31717, 32111, 33096, 34230, 36248, 37490, 41370, 44988, 45310, 45640, 52486, 54372, 55160, 56235, 63434, 64222, 67965, 68460, 74980, 78729, 82740, 89976, 90620, 95151, 96333, 104972, 108744, 112470, 126868, 128444, 131215, 135930, 136920, 149960, 157458, 158585, 160555, 165480, 181240, 190302, 192666, 209944, 224777, 224940, 253736, 256888, 262430, 271860, 314916, 317170, 321110, 380604, 385332, 393645, 449554, 449880, 475755, 481665, 524860, 543720, 629832, 634340, 642220, 674331, 738553, 761208, 770664, 787290, 899108, 951510, 963330, 1049720, 1123885, 1268680, 1284440, 1348662, 1477106, 1574580, 1798216, 1903020, 1926660, 2215659, 2247770, 2697324, 2954212, 3149160, 3371655, 3692765, 3806040, 3853320, 4431318, 4495540, 5169871, 5394648, 5908424, 6743310, 7385530, 8862636, 8991080, 10339742, 11078295, 13486620, 14771060, 15509613, 17725272, 20679484, 22156590, 25849355, 26973240, 29542120, 31019226, 41358968, 44313180, 51698710, 62038452, 77548065, 88626360, 103397420, 124076904, 155096130, 206794840, 310192260, 620384520]

約数ペア:

[(1, 620384520), (2, 310192260), (3, 206794840), (4, 155096130), (5, 124076904), (6, 103397420), (7, 88626360), (8, 77548065), (10, 62038452), (12, 51698710), (14, 44313180), (15, 41358968), (20, 31019226), (21, 29542120), (23, 26973240), (24, 25849355), (28, 22156590), (30, 20679484), (35, 17725272), (40, 15509613), (42, 14771060), (46, 13486620), (56, 11078295), (60, 10339742), (69, 8991080), (70, 8862636), (84, 7385530), (92, 6743310), (105, 5908424), (115, 5394648), (120, 5169871), (138, 4495540), (140, 4431318), (161, 3853320), (163, 3806040), (168, 3692765), (184, 3371655), (197, 3149160), (210, 2954212), (230, 2697324), (276, 2247770), (280, 2215659), (322, 1926660), (326, 1903020), (345, 1798216), (394, 1574580), (420, 1477106), (460, 1348662), (483, 1284440), (489, 1268680), (552, 1123885), (591, 1049720), (644, 963330), (652, 951510), (690, 899108), (788, 787290), (805, 770664), (815, 761208), (840, 738553), (920, 674331), (966, 642220), (978, 634340), (985, 629832), (1141, 543720), (1182, 524860), (1288, 481665), (1304, 475755), (1379, 449880), (1380, 449554), (1576, 393645), (1610, 385332), (1630, 380604), (1932, 321110), (1956, 317170), (1970, 314916), (2282, 271860), (2364, 262430), (2415, 256888), (2445, 253736), (2758, 224940), (2760, 224777), (2955, 209944), (3220, 192666), (3260, 190302), (3423, 181240), (3749, 165480), (3864, 160555), (3912, 158585), (3940, 157458), (4137, 149960), (4531, 136920), (4564, 135930), (4728, 131215), (4830, 128444), (4890, 126868), (5516, 112470), (5705, 108744), (5910, 104972), (6440, 96333), (6520, 95151), (6846, 90620), (6895, 89976), (7498, 82740), (7880, 78729), (8274, 74980), (9062, 68460), (9128, 67965), (9660, 64222), (9780, 63434), (11032, 56235), (11247, 55160), (11410, 54372), (11820, 52486), (13593, 45640), (13692, 45310), (13790, 44988), (14996, 41370), (16548, 37490), (17115, 36248), (18124, 34230), (18745, 33096), (19320, 32111), (19560, 31717), (20685, 29992), (22494, 27580), (22655, 27384), (22820, 27186), (23640, 26243)]