399942480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8209}}^1$

素因数の和:8261

約数の個数: 160

約数和(自身を含む): 1465977600

約数和(自身を除く): 1066035120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 3045, 3248, 3480, 4060, 4872, 6090, 6960, 8120, 8209, 9744, 12180, 16240, 16418, 24360, 24627, 32836, 41045, 48720, 49254, 57463, 65672, 82090, 98508, 114926, 123135, 131344, 164180, 172389, 197016, 229852, 238061, 246270, 287315, 328360, 344778, 394032, 459704, 476122, 492540, 574630, 656720, 689556, 714183, 861945, 919408, 952244, 985080, 1149260, 1190305, 1379112, 1428366, 1666427, 1723890, 1904488, 1970160, 2298520, 2380610, 2758224, 2856732, 3332854, 3447780, 3570915, 3808976, 4597040, 4761220, 4999281, 5713464, 6665708, 6895560, 7141830, 8332135, 9522440, 9998562, 11426928, 13331416, 13791120, 14283660, 16664270, 19044880, 19997124, 24996405, 26662832, 28567320, 33328540, 39994248, 49992810, 57134640, 66657080, 79988496, 99985620, 133314160, 199971240, 399942480]

約数ペア:

[(1, 399942480), (2, 199971240), (3, 133314160), (4, 99985620), (5, 79988496), (6, 66657080), (7, 57134640), (8, 49992810), (10, 39994248), (12, 33328540), (14, 28567320), (15, 26662832), (16, 24996405), (20, 19997124), (21, 19044880), (24, 16664270), (28, 14283660), (29, 13791120), (30, 13331416), (35, 11426928), (40, 9998562), (42, 9522440), (48, 8332135), (56, 7141830), (58, 6895560), (60, 6665708), (70, 5713464), (80, 4999281), (84, 4761220), (87, 4597040), (105, 3808976), (112, 3570915), (116, 3447780), (120, 3332854), (140, 2856732), (145, 2758224), (168, 2380610), (174, 2298520), (203, 1970160), (210, 1904488), (232, 1723890), (240, 1666427), (280, 1428366), (290, 1379112), (336, 1190305), (348, 1149260), (406, 985080), (420, 952244), (435, 919408), (464, 861945), (560, 714183), (580, 689556), (609, 656720), (696, 574630), (812, 492540), (840, 476122), (870, 459704), (1015, 394032), (1160, 344778), (1218, 328360), (1392, 287315), (1624, 246270), (1680, 238061), (1740, 229852), (2030, 197016), (2320, 172389), (2436, 164180), (3045, 131344), (3248, 123135), (3480, 114926), (4060, 98508), (4872, 82090), (6090, 65672), (6960, 57463), (8120, 49254), (8209, 48720), (9744, 41045), (12180, 32836), (16240, 24627), (16418, 24360)]