648274480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:507

約数の個数: 160

約数和(自身を含む): 1799884800

約数和(自身を除く): 1151610320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 107, 112, 124, 140, 155, 214, 217, 248, 280, 310, 349, 428, 434, 496, 535, 560, 620, 698, 749, 856, 868, 1070, 1085, 1240, 1396, 1498, 1712, 1736, 1745, 2140, 2170, 2443, 2480, 2792, 2996, 3317, 3472, 3490, 3745, 4280, 4340, 4886, 5584, 5992, 6634, 6980, 7490, 8560, 8680, 9772, 10819, 11984, 12215, 13268, 13960, 14980, 16585, 17360, 19544, 21638, 23219, 24430, 26536, 27920, 29960, 33170, 37343, 39088, 43276, 46438, 48860, 53072, 54095, 59920, 66340, 74686, 75733, 86552, 92876, 97720, 108190, 116095, 132680, 149372, 151466, 173104, 185752, 186715, 195440, 216380, 232190, 261401, 265360, 298744, 302932, 371504, 373430, 378665, 432760, 464380, 522802, 597488, 605864, 746860, 757330, 865520, 928760, 1045604, 1157633, 1211728, 1307005, 1493720, 1514660, 1857520, 2091208, 2315266, 2614010, 2987440, 3029320, 4182416, 4630532, 5228020, 5788165, 6058640, 8103431, 9261064, 10456040, 11576330, 16206862, 18522128, 20912080, 23152660, 32413724, 40517155, 46305320, 64827448, 81034310, 92610640, 129654896, 162068620, 324137240, 648274480]

約数ペア:

[(1, 648274480), (2, 324137240), (4, 162068620), (5, 129654896), (7, 92610640), (8, 81034310), (10, 64827448), (14, 46305320), (16, 40517155), (20, 32413724), (28, 23152660), (31, 20912080), (35, 18522128), (40, 16206862), (56, 11576330), (62, 10456040), (70, 9261064), (80, 8103431), (107, 6058640), (112, 5788165), (124, 5228020), (140, 4630532), (155, 4182416), (214, 3029320), (217, 2987440), (248, 2614010), (280, 2315266), (310, 2091208), (349, 1857520), (428, 1514660), (434, 1493720), (496, 1307005), (535, 1211728), (560, 1157633), (620, 1045604), (698, 928760), (749, 865520), (856, 757330), (868, 746860), (1070, 605864), (1085, 597488), (1240, 522802), (1396, 464380), (1498, 432760), (1712, 378665), (1736, 373430), (1745, 371504), (2140, 302932), (2170, 298744), (2443, 265360), (2480, 261401), (2792, 232190), (2996, 216380), (3317, 195440), (3472, 186715), (3490, 185752), (3745, 173104), (4280, 151466), (4340, 149372), (4886, 132680), (5584, 116095), (5992, 108190), (6634, 97720), (6980, 92876), (7490, 86552), (8560, 75733), (8680, 74686), (9772, 66340), (10819, 59920), (11984, 54095), (12215, 53072), (13268, 48860), (13960, 46438), (14980, 43276), (16585, 39088), (17360, 37343), (19544, 33170), (21638, 29960), (23219, 27920), (24430, 26536)]