905089640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:692

約数の個数: 192

約数和(自身を含む): 2605685760

約数和(自身を除く): 1700596120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 169, 182, 217, 248, 260, 280, 310, 338, 364, 403, 434, 455, 520, 617, 620, 676, 728, 806, 845, 868, 910, 1085, 1183, 1234, 1240, 1352, 1612, 1690, 1736, 1820, 2015, 2170, 2366, 2468, 2821, 3085, 3224, 3380, 3640, 4030, 4319, 4340, 4732, 4936, 5239, 5642, 5915, 6170, 6760, 8021, 8060, 8638, 8680, 9464, 10478, 11284, 11830, 12340, 14105, 16042, 16120, 17276, 19127, 20956, 21595, 22568, 23660, 24680, 26195, 28210, 32084, 34552, 36673, 38254, 40105, 41912, 43190, 47320, 52390, 56147, 56420, 64168, 73346, 76508, 80210, 86380, 95635, 104273, 104780, 112294, 112840, 133889, 146692, 153016, 160420, 172760, 183365, 191270, 208546, 209560, 224588, 248651, 267778, 280735, 293384, 320840, 366730, 382540, 417092, 449176, 497302, 521365, 535556, 561470, 669445, 729911, 733460, 765080, 834184, 994604, 1042730, 1071112, 1122940, 1243255, 1338890, 1459822, 1466920, 1740557, 1989208, 2085460, 2245880, 2486510, 2677780, 2919644, 3232463, 3481114, 3649555, 4170920, 4973020, 5355560, 5839288, 6464926, 6962228, 7299110, 8702785, 9946040, 12929852, 13924456, 14598220, 16162315, 17405570, 22627241, 25859704, 29196440, 32324630, 34811140, 45254482, 64649260, 69622280, 90508964, 113136205, 129298520, 181017928, 226272410, 452544820, 905089640]

約数ペア:

[(1, 905089640), (2, 452544820), (4, 226272410), (5, 181017928), (7, 129298520), (8, 113136205), (10, 90508964), (13, 69622280), (14, 64649260), (20, 45254482), (26, 34811140), (28, 32324630), (31, 29196440), (35, 25859704), (40, 22627241), (52, 17405570), (56, 16162315), (62, 14598220), (65, 13924456), (70, 12929852), (91, 9946040), (104, 8702785), (124, 7299110), (130, 6962228), (140, 6464926), (155, 5839288), (169, 5355560), (182, 4973020), (217, 4170920), (248, 3649555), (260, 3481114), (280, 3232463), (310, 2919644), (338, 2677780), (364, 2486510), (403, 2245880), (434, 2085460), (455, 1989208), (520, 1740557), (617, 1466920), (620, 1459822), (676, 1338890), (728, 1243255), (806, 1122940), (845, 1071112), (868, 1042730), (910, 994604), (1085, 834184), (1183, 765080), (1234, 733460), (1240, 729911), (1352, 669445), (1612, 561470), (1690, 535556), (1736, 521365), (1820, 497302), (2015, 449176), (2170, 417092), (2366, 382540), (2468, 366730), (2821, 320840), (3085, 293384), (3224, 280735), (3380, 267778), (3640, 248651), (4030, 224588), (4319, 209560), (4340, 208546), (4732, 191270), (4936, 183365), (5239, 172760), (5642, 160420), (5915, 153016), (6170, 146692), (6760, 133889), (8021, 112840), (8060, 112294), (8638, 104780), (8680, 104273), (9464, 95635), (10478, 86380), (11284, 80210), (11830, 76508), (12340, 73346), (14105, 64168), (16042, 56420), (16120, 56147), (17276, 52390), (19127, 47320), (20956, 43190), (21595, 41912), (22568, 40105), (23660, 38254), (24680, 36673), (26195, 34552), (28210, 32084)]