205729020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 288

約数和(自身を含む): 771563520

約数和(自身を除く): 565834500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 31, 35, 36, 42, 45, 46, 60, 62, 63, 69, 70, 84, 90, 92, 93, 105, 115, 124, 126, 138, 140, 155, 161, 180, 186, 207, 210, 217, 229, 230, 252, 276, 279, 310, 315, 322, 345, 372, 414, 420, 434, 458, 460, 465, 483, 558, 620, 630, 644, 651, 687, 690, 713, 805, 828, 868, 916, 930, 966, 1035, 1085, 1116, 1145, 1260, 1302, 1374, 1380, 1395, 1426, 1449, 1603, 1610, 1860, 1932, 1953, 2061, 2070, 2139, 2170, 2290, 2415, 2604, 2748, 2790, 2852, 2898, 3206, 3220, 3255, 3435, 3565, 3906, 4122, 4140, 4278, 4340, 4580, 4809, 4830, 4991, 5267, 5580, 5796, 6412, 6417, 6510, 6870, 7099, 7130, 7245, 7812, 8015, 8244, 8556, 9618, 9660, 9765, 9982, 10305, 10534, 10695, 12834, 13020, 13740, 14198, 14260, 14427, 14490, 14973, 15801, 16030, 19236, 19530, 19964, 20610, 21068, 21297, 21390, 24045, 24955, 25668, 26335, 28396, 28854, 28980, 29946, 31602, 32060, 32085, 35495, 36869, 39060, 41220, 42594, 42780, 44919, 47403, 48090, 49693, 49910, 52670, 57708, 59892, 63204, 63891, 64170, 70990, 72135, 73738, 74865, 79005, 85188, 89838, 94806, 96180, 99386, 99820, 105340, 106485, 110607, 127782, 128340, 141980, 144270, 147476, 149079, 149730, 158010, 163277, 179676, 184345, 189612, 198772, 212970, 221214, 224595, 237015, 248465, 255564, 288540, 298158, 299460, 316020, 319455, 326554, 331821, 368690, 425940, 442428, 447237, 449190, 474030, 489831, 496930, 553035, 596316, 638910, 653108, 663642, 737380, 745395, 816385, 894474, 898380, 948060, 979662, 993860, 1106070, 1142939, 1277820, 1327284, 1469493, 1490790, 1632770, 1659105, 1788948, 1959324, 2212140, 2236185, 2285878, 2449155, 2938986, 2981580, 3265540, 3318210, 3428817, 4472370, 4571756, 4898310, 5714695, 5877972, 6636420, 6857634, 7347465, 8944740, 9796620, 10286451, 11429390, 13715268, 14694930, 17144085, 20572902, 22858780, 29389860, 34288170, 41145804, 51432255, 68576340, 102864510, 205729020]

約数ペア:

[(1, 205729020), (2, 102864510), (3, 68576340), (4, 51432255), (5, 41145804), (6, 34288170), (7, 29389860), (9, 22858780), (10, 20572902), (12, 17144085), (14, 14694930), (15, 13715268), (18, 11429390), (20, 10286451), (21, 9796620), (23, 8944740), (28, 7347465), (30, 6857634), (31, 6636420), (35, 5877972), (36, 5714695), (42, 4898310), (45, 4571756), (46, 4472370), (60, 3428817), (62, 3318210), (63, 3265540), (69, 2981580), (70, 2938986), (84, 2449155), (90, 2285878), (92, 2236185), (93, 2212140), (105, 1959324), (115, 1788948), (124, 1659105), (126, 1632770), (138, 1490790), (140, 1469493), (155, 1327284), (161, 1277820), (180, 1142939), (186, 1106070), (207, 993860), (210, 979662), (217, 948060), (229, 898380), (230, 894474), (252, 816385), (276, 745395), (279, 737380), (310, 663642), (315, 653108), (322, 638910), (345, 596316), (372, 553035), (414, 496930), (420, 489831), (434, 474030), (458, 449190), (460, 447237), (465, 442428), (483, 425940), (558, 368690), (620, 331821), (630, 326554), (644, 319455), (651, 316020), (687, 299460), (690, 298158), (713, 288540), (805, 255564), (828, 248465), (868, 237015), (916, 224595), (930, 221214), (966, 212970), (1035, 198772), (1085, 189612), (1116, 184345), (1145, 179676), (1260, 163277), (1302, 158010), (1374, 149730), (1380, 149079), (1395, 147476), (1426, 144270), (1449, 141980), (1603, 128340), (1610, 127782), (1860, 110607), (1932, 106485), (1953, 105340), (2061, 99820), (2070, 99386), (2139, 96180), (2170, 94806), (2290, 89838), (2415, 85188), (2604, 79005), (2748, 74865), (2790, 73738), (2852, 72135), (2898, 70990), (3206, 64170), (3220, 63891), (3255, 63204), (3435, 59892), (3565, 57708), (3906, 52670), (4122, 49910), (4140, 49693), (4278, 48090), (4340, 47403), (4580, 44919), (4809, 42780), (4830, 42594), (4991, 41220), (5267, 39060), (5580, 36869), (5796, 35495), (6412, 32085), (6417, 32060), (6510, 31602), (6870, 29946), (7099, 28980), (7130, 28854), (7245, 28396), (7812, 26335), (8015, 25668), (8244, 24955), (8556, 24045), (9618, 21390), (9660, 21297), (9765, 21068), (9982, 20610), (10305, 19964), (10534, 19530), (10695, 19236), (12834, 16030), (13020, 15801), (13740, 14973), (14198, 14490), (14260, 14427)]