639717120

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{7933}}^1$

素因数の和:7967

約数の個数: 216

約数和(自身を含む): 2529866976

約数和(自身を除く): 1890149856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 7933, 8064, 8960, 10080, 11520, 13440, 15866, 16128, 20160, 23799, 26880, 31732, 39665, 40320, 47598, 55531, 63464, 71397, 79330, 80640, 95196, 111062, 118995, 126928, 142794, 158660, 166593, 190392, 222124, 237990, 253856, 277655, 285588, 317320, 333186, 356985, 380784, 444248, 475980, 499779, 507712, 555310, 571176, 634640, 666372, 713970, 761568, 832965, 888496, 951960, 999558, 1015424, 1110620, 1142352, 1269280, 1332744, 1427940, 1523136, 1665930, 1776992, 1903920, 1999116, 2030848, 2221240, 2284704, 2498895, 2538560, 2665488, 2855880, 3046272, 3331860, 3553984, 3807840, 3998232, 4442480, 4569408, 4997790, 5077120, 5330976, 5711760, 6092544, 6663720, 7107968, 7615680, 7996464, 8884960, 9138816, 9995580, 10154240, 10661952, 11423520, 13327440, 14215936, 15231360, 15992928, 17769920, 18277632, 19991160, 21323904, 22847040, 26654880, 30462720, 31985856, 35539840, 39982320, 42647808, 45694080, 53309760, 63971712, 71079680, 79964640, 91388160, 106619520, 127943424, 159929280, 213239040, 319858560, 639717120]

約数ペア:

[(1, 639717120), (2, 319858560), (3, 213239040), (4, 159929280), (5, 127943424), (6, 106619520), (7, 91388160), (8, 79964640), (9, 71079680), (10, 63971712), (12, 53309760), (14, 45694080), (15, 42647808), (16, 39982320), (18, 35539840), (20, 31985856), (21, 30462720), (24, 26654880), (28, 22847040), (30, 21323904), (32, 19991160), (35, 18277632), (36, 17769920), (40, 15992928), (42, 15231360), (45, 14215936), (48, 13327440), (56, 11423520), (60, 10661952), (63, 10154240), (64, 9995580), (70, 9138816), (72, 8884960), (80, 7996464), (84, 7615680), (90, 7107968), (96, 6663720), (105, 6092544), (112, 5711760), (120, 5330976), (126, 5077120), (128, 4997790), (140, 4569408), (144, 4442480), (160, 3998232), (168, 3807840), (180, 3553984), (192, 3331860), (210, 3046272), (224, 2855880), (240, 2665488), (252, 2538560), (256, 2498895), (280, 2284704), (288, 2221240), (315, 2030848), (320, 1999116), (336, 1903920), (360, 1776992), (384, 1665930), (420, 1523136), (448, 1427940), (480, 1332744), (504, 1269280), (560, 1142352), (576, 1110620), (630, 1015424), (640, 999558), (672, 951960), (720, 888496), (768, 832965), (840, 761568), (896, 713970), (960, 666372), (1008, 634640), (1120, 571176), (1152, 555310), (1260, 507712), (1280, 499779), (1344, 475980), (1440, 444248), (1680, 380784), (1792, 356985), (1920, 333186), (2016, 317320), (2240, 285588), (2304, 277655), (2520, 253856), (2688, 237990), (2880, 222124), (3360, 190392), (3840, 166593), (4032, 158660), (4480, 142794), (5040, 126928), (5376, 118995), (5760, 111062), (6720, 95196), (7933, 80640), (8064, 79330), (8960, 71397), (10080, 63464), (11520, 55531), (13440, 47598), (15866, 40320), (16128, 39665), (20160, 31732), (23799, 26880)]