400364640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7129}}^1$

素因数の和:7166

約数の個数: 192

約数和(自身を含む): 1509278400

約数和(自身を除く): 1108913760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3510, 3744, 4320, 4680, 5616, 6240, 7020, 7129, 9360, 11232, 14040, 14258, 18720, 21387, 28080, 28516, 35645, 42774, 56160, 57032, 64161, 71290, 85548, 92677, 106935, 114064, 128322, 142580, 171096, 185354, 192483, 213870, 228128, 256644, 278031, 285160, 320805, 342192, 370708, 384966, 427740, 463385, 513288, 556062, 570320, 641610, 684384, 741416, 769932, 834093, 855480, 926770, 962415, 1026576, 1112124, 1140640, 1283220, 1390155, 1482832, 1539864, 1668186, 1710960, 1853540, 1924830, 2053152, 2224248, 2502279, 2566440, 2780310, 2965664, 3079728, 3336372, 3421920, 3707080, 3849660, 4170465, 4448496, 5004558, 5132880, 5560620, 6159456, 6672744, 7414160, 7699320, 8340930, 8896992, 10009116, 10265760, 11121240, 12511395, 13345488, 14828320, 15398640, 16681860, 20018232, 22242480, 25022790, 26690976, 30797280, 33363720, 40036464, 44484960, 50045580, 66727440, 80072928, 100091160, 133454880, 200182320, 400364640]

約数ペア:

[(1, 400364640), (2, 200182320), (3, 133454880), (4, 100091160), (5, 80072928), (6, 66727440), (8, 50045580), (9, 44484960), (10, 40036464), (12, 33363720), (13, 30797280), (15, 26690976), (16, 25022790), (18, 22242480), (20, 20018232), (24, 16681860), (26, 15398640), (27, 14828320), (30, 13345488), (32, 12511395), (36, 11121240), (39, 10265760), (40, 10009116), (45, 8896992), (48, 8340930), (52, 7699320), (54, 7414160), (60, 6672744), (65, 6159456), (72, 5560620), (78, 5132880), (80, 5004558), (90, 4448496), (96, 4170465), (104, 3849660), (108, 3707080), (117, 3421920), (120, 3336372), (130, 3079728), (135, 2965664), (144, 2780310), (156, 2566440), (160, 2502279), (180, 2224248), (195, 2053152), (208, 1924830), (216, 1853540), (234, 1710960), (240, 1668186), (260, 1539864), (270, 1482832), (288, 1390155), (312, 1283220), (351, 1140640), (360, 1112124), (390, 1026576), (416, 962415), (432, 926770), (468, 855480), (480, 834093), (520, 769932), (540, 741416), (585, 684384), (624, 641610), (702, 570320), (720, 556062), (780, 513288), (864, 463385), (936, 427740), (1040, 384966), (1080, 370708), (1170, 342192), (1248, 320805), (1404, 285160), (1440, 278031), (1560, 256644), (1755, 228128), (1872, 213870), (2080, 192483), (2160, 185354), (2340, 171096), (2808, 142580), (3120, 128322), (3510, 114064), (3744, 106935), (4320, 92677), (4680, 85548), (5616, 71290), (6240, 64161), (7020, 57032), (7129, 56160), (9360, 42774), (11232, 35645), (14040, 28516), (14258, 28080), (18720, 21387)]