684128640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27409}}^1$

素因数の和:27444

約数の個数: 128

約数和(自身を含む): 2348488800

約数和(自身を除く): 1664360160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 27409, 54818, 82227, 109636, 137045, 164454, 219272, 274090, 328908, 356317, 411135, 438544, 548180, 657816, 712634, 822270, 877088, 1068951, 1096360, 1315632, 1425268, 1644540, 1754176, 1781585, 2137902, 2192720, 2631264, 2850536, 3289080, 3508352, 3563170, 4275804, 4385440, 5262528, 5344755, 5701072, 6578160, 7126340, 8551608, 8770880, 10525056, 10689510, 11402144, 13156320, 14252680, 17103216, 17541760, 21379020, 22804288, 26312640, 28505360, 34206432, 42758040, 45608576, 52625280, 57010720, 68412864, 85516080, 114021440, 136825728, 171032160, 228042880, 342064320, 684128640]

約数ペア:

[(1, 684128640), (2, 342064320), (3, 228042880), (4, 171032160), (5, 136825728), (6, 114021440), (8, 85516080), (10, 68412864), (12, 57010720), (13, 52625280), (15, 45608576), (16, 42758040), (20, 34206432), (24, 28505360), (26, 26312640), (30, 22804288), (32, 21379020), (39, 17541760), (40, 17103216), (48, 14252680), (52, 13156320), (60, 11402144), (64, 10689510), (65, 10525056), (78, 8770880), (80, 8551608), (96, 7126340), (104, 6578160), (120, 5701072), (128, 5344755), (130, 5262528), (156, 4385440), (160, 4275804), (192, 3563170), (195, 3508352), (208, 3289080), (240, 2850536), (260, 2631264), (312, 2192720), (320, 2137902), (384, 1781585), (390, 1754176), (416, 1644540), (480, 1425268), (520, 1315632), (624, 1096360), (640, 1068951), (780, 877088), (832, 822270), (960, 712634), (1040, 657816), (1248, 548180), (1560, 438544), (1664, 411135), (1920, 356317), (2080, 328908), (2496, 274090), (3120, 219272), (4160, 164454), (4992, 137045), (6240, 109636), (8320, 82227), (12480, 54818), (24960, 27409)]