643483120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 1787314176

約数和(自身を除く): 1143831056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 101, 112, 124, 140, 155, 202, 217, 248, 280, 310, 367, 404, 434, 496, 505, 560, 620, 707, 734, 808, 868, 1010, 1085, 1240, 1414, 1468, 1616, 1736, 1835, 2020, 2170, 2480, 2569, 2828, 2936, 3131, 3472, 3535, 3670, 4040, 4340, 5138, 5656, 5872, 6262, 7070, 7340, 8080, 8680, 10276, 11312, 11377, 12524, 12845, 14140, 14680, 15655, 17360, 20552, 21917, 22754, 25048, 25690, 28280, 29360, 31310, 37067, 41104, 43834, 45508, 50096, 51380, 56560, 56885, 62620, 74134, 79639, 87668, 91016, 102760, 109585, 113770, 125240, 148268, 159278, 175336, 182032, 185335, 205520, 219170, 227540, 250480, 259469, 296536, 318556, 350672, 370670, 398195, 438340, 455080, 518938, 593072, 637112, 741340, 796390, 876680, 910160, 1037876, 1149077, 1274224, 1297345, 1482680, 1592780, 1753360, 2075752, 2298154, 2594690, 2965360, 3185560, 4151504, 4596308, 5189380, 5745385, 6371120, 8043539, 9192616, 10378760, 11490770, 16087078, 18385232, 20757520, 22981540, 32174156, 40217695, 45963080, 64348312, 80435390, 91926160, 128696624, 160870780, 321741560, 643483120]

約数ペア:

[(1, 643483120), (2, 321741560), (4, 160870780), (5, 128696624), (7, 91926160), (8, 80435390), (10, 64348312), (14, 45963080), (16, 40217695), (20, 32174156), (28, 22981540), (31, 20757520), (35, 18385232), (40, 16087078), (56, 11490770), (62, 10378760), (70, 9192616), (80, 8043539), (101, 6371120), (112, 5745385), (124, 5189380), (140, 4596308), (155, 4151504), (202, 3185560), (217, 2965360), (248, 2594690), (280, 2298154), (310, 2075752), (367, 1753360), (404, 1592780), (434, 1482680), (496, 1297345), (505, 1274224), (560, 1149077), (620, 1037876), (707, 910160), (734, 876680), (808, 796390), (868, 741340), (1010, 637112), (1085, 593072), (1240, 518938), (1414, 455080), (1468, 438340), (1616, 398195), (1736, 370670), (1835, 350672), (2020, 318556), (2170, 296536), (2480, 259469), (2569, 250480), (2828, 227540), (2936, 219170), (3131, 205520), (3472, 185335), (3535, 182032), (3670, 175336), (4040, 159278), (4340, 148268), (5138, 125240), (5656, 113770), (5872, 109585), (6262, 102760), (7070, 91016), (7340, 87668), (8080, 79639), (8680, 74134), (10276, 62620), (11312, 56885), (11377, 56560), (12524, 51380), (12845, 50096), (14140, 45508), (14680, 43834), (15655, 41104), (17360, 37067), (20552, 31310), (21917, 29360), (22754, 28280), (25048, 25690)]