2047872640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{631}}^1$

素因数の和:1122

約数の個数: 128

約数和(自身を含む): 5360826240

約数和(自身を除く): 3312953600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 461, 631, 640, 704, 880, 922, 1262, 1408, 1760, 1844, 2305, 2524, 3155, 3520, 3688, 4610, 5048, 5071, 6310, 6941, 7040, 7376, 9220, 10096, 10142, 12620, 13882, 14752, 18440, 20192, 20284, 25240, 25355, 27764, 29504, 34705, 36880, 40384, 40568, 50480, 50710, 55528, 59008, 69410, 73760, 80768, 81136, 100960, 101420, 111056, 138820, 147520, 162272, 201920, 202840, 222112, 277640, 290891, 295040, 324544, 403840, 405680, 444224, 555280, 581782, 649088, 811360, 888448, 1110560, 1163564, 1454455, 1622720, 2221120, 2327128, 2908910, 3199801, 3245440, 4442240, 4654256, 5817820, 6399602, 9308512, 11635640, 12799204, 15999005, 18617024, 23271280, 25598408, 31998010, 37234048, 46542560, 51196816, 63996020, 93085120, 102393632, 127992040, 186170240, 204787264, 255984080, 409574528, 511968160, 1023936320, 2047872640]

約数ペア:

[(1, 2047872640), (2, 1023936320), (4, 511968160), (5, 409574528), (8, 255984080), (10, 204787264), (11, 186170240), (16, 127992040), (20, 102393632), (22, 93085120), (32, 63996020), (40, 51196816), (44, 46542560), (55, 37234048), (64, 31998010), (80, 25598408), (88, 23271280), (110, 18617024), (128, 15999005), (160, 12799204), (176, 11635640), (220, 9308512), (320, 6399602), (352, 5817820), (440, 4654256), (461, 4442240), (631, 3245440), (640, 3199801), (704, 2908910), (880, 2327128), (922, 2221120), (1262, 1622720), (1408, 1454455), (1760, 1163564), (1844, 1110560), (2305, 888448), (2524, 811360), (3155, 649088), (3520, 581782), (3688, 555280), (4610, 444224), (5048, 405680), (5071, 403840), (6310, 324544), (6941, 295040), (7040, 290891), (7376, 277640), (9220, 222112), (10096, 202840), (10142, 201920), (12620, 162272), (13882, 147520), (14752, 138820), (18440, 111056), (20192, 101420), (20284, 100960), (25240, 81136), (25355, 80768), (27764, 73760), (29504, 69410), (34705, 59008), (36880, 55528), (40384, 50710), (40568, 50480)]