21259966080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{651347}}^1$

素因数の和:651386

約数の個数: 128

約数和(自身を含む): 71752495680

約数和(自身を除く): 50492529600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 32640, 651347, 1302694, 1954041, 2605388, 3256735, 3908082, 5210776, 6513470, 7816164, 9770205, 10421552, 11072899, 13026940, 15632328, 19540410, 20843104, 22145798, 26053880, 31264656, 33218697, 39080820, 41686208, 44291596, 52107760, 55364495, 62529312, 66437394, 78161640, 83372416, 88583192, 104215520, 110728990, 125058624, 132874788, 156323280, 166093485, 177166384, 208431040, 221457980, 250117248, 265749576, 312646560, 332186970, 354332768, 416862080, 442915960, 531499152, 625293120, 664373940, 708665536, 885831920, 1062998304, 1250586240, 1328747880, 1417331072, 1771663840, 2125996608, 2657495760, 3543327680, 4251993216, 5314991520, 7086655360, 10629983040, 21259966080]

約数ペア:

[(1, 21259966080), (2, 10629983040), (3, 7086655360), (4, 5314991520), (5, 4251993216), (6, 3543327680), (8, 2657495760), (10, 2125996608), (12, 1771663840), (15, 1417331072), (16, 1328747880), (17, 1250586240), (20, 1062998304), (24, 885831920), (30, 708665536), (32, 664373940), (34, 625293120), (40, 531499152), (48, 442915960), (51, 416862080), (60, 354332768), (64, 332186970), (68, 312646560), (80, 265749576), (85, 250117248), (96, 221457980), (102, 208431040), (120, 177166384), (128, 166093485), (136, 156323280), (160, 132874788), (170, 125058624), (192, 110728990), (204, 104215520), (240, 88583192), (255, 83372416), (272, 78161640), (320, 66437394), (340, 62529312), (384, 55364495), (408, 52107760), (480, 44291596), (510, 41686208), (544, 39080820), (640, 33218697), (680, 31264656), (816, 26053880), (960, 22145798), (1020, 20843104), (1088, 19540410), (1360, 15632328), (1632, 13026940), (1920, 11072899), (2040, 10421552), (2176, 9770205), (2720, 7816164), (3264, 6513470), (4080, 5210776), (5440, 3908082), (6528, 3256735), (8160, 2605388), (10880, 1954041), (16320, 1302694), (32640, 651347)]