20123923600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6857}}^1$

素因数の和:6938

約数の個数: 240

約数和(自身を含む): 56942248320

約数和(自身を除く): 36818324720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 29, 40, 44, 46, 50, 55, 58, 80, 88, 92, 100, 110, 115, 116, 145, 176, 184, 200, 220, 230, 232, 253, 275, 290, 319, 368, 400, 440, 460, 464, 506, 550, 575, 580, 638, 667, 725, 880, 920, 1012, 1100, 1150, 1160, 1265, 1276, 1334, 1450, 1595, 1840, 2024, 2200, 2300, 2320, 2530, 2552, 2668, 2900, 3190, 3335, 4048, 4400, 4600, 5060, 5104, 5336, 5800, 6325, 6380, 6670, 6857, 7337, 7975, 9200, 10120, 10672, 11600, 12650, 12760, 13340, 13714, 14674, 15950, 16675, 20240, 25300, 25520, 26680, 27428, 29348, 31900, 33350, 34285, 36685, 50600, 53360, 54856, 58696, 63800, 66700, 68570, 73370, 75427, 101200, 109712, 117392, 127600, 133400, 137140, 146740, 150854, 157711, 171425, 183425, 198853, 266800, 274280, 293480, 301708, 315422, 342850, 366850, 377135, 397706, 548560, 586960, 603416, 630844, 685700, 733700, 754270, 788555, 795412, 994265, 1206832, 1261688, 1371400, 1467400, 1508540, 1577110, 1590824, 1734821, 1885675, 1988530, 2187383, 2523376, 2742800, 2934800, 3017080, 3154220, 3181648, 3469642, 3771350, 3942775, 3977060, 4374766, 4573619, 4971325, 6034160, 6308440, 6939284, 7542700, 7885550, 7954120, 8674105, 8749532, 9147238, 9942650, 10936915, 12616880, 13878568, 15085400, 15771100, 15908240, 17348210, 17499064, 18294476, 19885300, 21873830, 22868095, 27757136, 30170800, 31542200, 34696420, 34998128, 36588952, 39770600, 43370525, 43747660, 45736190, 50309809, 54684575, 63084400, 69392840, 73177904, 79541200, 86741050, 87495320, 91472380, 100619618, 109369150, 114340475, 138785680, 173482100, 174990640, 182944760, 201239236, 218738300, 228680950, 251549045, 346964200, 365889520, 402478472, 437476600, 457361900, 503098090, 693928400, 804956944, 874953200, 914723800, 1006196180, 1257745225, 1829447600, 2012392360, 2515490450, 4024784720, 5030980900, 10061961800, 20123923600]

約数ペア:

[(1, 20123923600), (2, 10061961800), (4, 5030980900), (5, 4024784720), (8, 2515490450), (10, 2012392360), (11, 1829447600), (16, 1257745225), (20, 1006196180), (22, 914723800), (23, 874953200), (25, 804956944), (29, 693928400), (40, 503098090), (44, 457361900), (46, 437476600), (50, 402478472), (55, 365889520), (58, 346964200), (80, 251549045), (88, 228680950), (92, 218738300), (100, 201239236), (110, 182944760), (115, 174990640), (116, 173482100), (145, 138785680), (176, 114340475), (184, 109369150), (200, 100619618), (220, 91472380), (230, 87495320), (232, 86741050), (253, 79541200), (275, 73177904), (290, 69392840), (319, 63084400), (368, 54684575), (400, 50309809), (440, 45736190), (460, 43747660), (464, 43370525), (506, 39770600), (550, 36588952), (575, 34998128), (580, 34696420), (638, 31542200), (667, 30170800), (725, 27757136), (880, 22868095), (920, 21873830), (1012, 19885300), (1100, 18294476), (1150, 17499064), (1160, 17348210), (1265, 15908240), (1276, 15771100), (1334, 15085400), (1450, 13878568), (1595, 12616880), (1840, 10936915), (2024, 9942650), (2200, 9147238), (2300, 8749532), (2320, 8674105), (2530, 7954120), (2552, 7885550), (2668, 7542700), (2900, 6939284), (3190, 6308440), (3335, 6034160), (4048, 4971325), (4400, 4573619), (4600, 4374766), (5060, 3977060), (5104, 3942775), (5336, 3771350), (5800, 3469642), (6325, 3181648), (6380, 3154220), (6670, 3017080), (6857, 2934800), (7337, 2742800), (7975, 2523376), (9200, 2187383), (10120, 1988530), (10672, 1885675), (11600, 1734821), (12650, 1590824), (12760, 1577110), (13340, 1508540), (13714, 1467400), (14674, 1371400), (15950, 1261688), (16675, 1206832), (20240, 994265), (25300, 795412), (25520, 788555), (26680, 754270), (27428, 733700), (29348, 685700), (31900, 630844), (33350, 603416), (34285, 586960), (36685, 548560), (50600, 397706), (53360, 377135), (54856, 366850), (58696, 342850), (63800, 315422), (66700, 301708), (68570, 293480), (73370, 274280), (75427, 266800), (101200, 198853), (109712, 183425), (117392, 171425), (127600, 157711), (133400, 150854), (137140, 146740)]