80235540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:867

約数の個数: 216

約数和(自身を含む): 309228192

約数和(自身を除く): 228992652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 588, 630, 660, 693, 735, 770, 827, 882, 924, 980, 990, 1078, 1155, 1260, 1386, 1470, 1540, 1617, 1654, 1764, 1980, 2156, 2205, 2310, 2481, 2695, 2772, 2940, 3234, 3308, 3465, 4135, 4410, 4620, 4851, 4962, 5390, 5789, 6468, 6930, 7443, 8085, 8270, 8820, 9097, 9702, 9924, 10780, 11578, 12405, 13860, 14886, 16170, 16540, 17367, 18194, 19404, 23156, 24255, 24810, 27291, 28945, 29772, 32340, 34734, 36388, 37215, 40523, 45485, 48510, 49620, 52101, 54582, 57890, 63679, 69468, 74430, 81046, 81873, 86835, 90970, 97020, 104202, 109164, 115780, 121569, 127358, 136455, 148860, 162092, 163746, 173670, 181940, 191037, 202615, 208404, 243138, 254716, 260505, 272910, 318395, 327492, 347340, 364707, 382074, 405230, 409365, 445753, 486276, 521010, 545820, 573111, 607845, 636790, 729414, 764148, 810460, 818730, 891506, 955185, 1042020, 1146222, 1215690, 1273580, 1337259, 1458828, 1637460, 1783012, 1823535, 1910370, 2228765, 2292444, 2431380, 2674518, 2865555, 3647070, 3820740, 4011777, 4457530, 5349036, 5731110, 6686295, 7294140, 8023554, 8915060, 11462220, 13372590, 16047108, 20058885, 26745180, 40117770, 80235540]

約数ペア:

[(1, 80235540), (2, 40117770), (3, 26745180), (4, 20058885), (5, 16047108), (6, 13372590), (7, 11462220), (9, 8915060), (10, 8023554), (11, 7294140), (12, 6686295), (14, 5731110), (15, 5349036), (18, 4457530), (20, 4011777), (21, 3820740), (22, 3647070), (28, 2865555), (30, 2674518), (33, 2431380), (35, 2292444), (36, 2228765), (42, 1910370), (44, 1823535), (45, 1783012), (49, 1637460), (55, 1458828), (60, 1337259), (63, 1273580), (66, 1215690), (70, 1146222), (77, 1042020), (84, 955185), (90, 891506), (98, 818730), (99, 810460), (105, 764148), (110, 729414), (126, 636790), (132, 607845), (140, 573111), (147, 545820), (154, 521010), (165, 486276), (180, 445753), (196, 409365), (198, 405230), (210, 382074), (220, 364707), (231, 347340), (245, 327492), (252, 318395), (294, 272910), (308, 260505), (315, 254716), (330, 243138), (385, 208404), (396, 202615), (420, 191037), (441, 181940), (462, 173670), (490, 163746), (495, 162092), (539, 148860), (588, 136455), (630, 127358), (660, 121569), (693, 115780), (735, 109164), (770, 104202), (827, 97020), (882, 90970), (924, 86835), (980, 81873), (990, 81046), (1078, 74430), (1155, 69468), (1260, 63679), (1386, 57890), (1470, 54582), (1540, 52101), (1617, 49620), (1654, 48510), (1764, 45485), (1980, 40523), (2156, 37215), (2205, 36388), (2310, 34734), (2481, 32340), (2695, 29772), (2772, 28945), (2940, 27291), (3234, 24810), (3308, 24255), (3465, 23156), (4135, 19404), (4410, 18194), (4620, 17367), (4851, 16540), (4962, 16170), (5390, 14886), (5789, 13860), (6468, 12405), (6930, 11578), (7443, 10780), (8085, 9924), (8270, 9702), (8820, 9097)]