1997374080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1939

約数の個数: 256

約数和(自身を含む): 7019591040

約数和(自身を除く): 5022216960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 43, 48, 52, 60, 64, 65, 78, 80, 86, 96, 104, 120, 128, 129, 130, 156, 160, 172, 192, 195, 208, 215, 240, 258, 260, 312, 320, 344, 384, 390, 416, 430, 480, 516, 520, 559, 624, 640, 645, 688, 780, 832, 860, 960, 1032, 1040, 1118, 1248, 1290, 1376, 1560, 1664, 1677, 1720, 1861, 1920, 2064, 2080, 2236, 2496, 2580, 2752, 2795, 3120, 3354, 3440, 3722, 4128, 4160, 4472, 4992, 5160, 5504, 5583, 5590, 6240, 6708, 6880, 7444, 8256, 8320, 8385, 8944, 9305, 10320, 11166, 11180, 12480, 13416, 13760, 14888, 16512, 16770, 17888, 18610, 20640, 22332, 22360, 24193, 24960, 26832, 27520, 27915, 29776, 33540, 35776, 37220, 41280, 44664, 44720, 48386, 53664, 55830, 59552, 67080, 71552, 72579, 74440, 80023, 82560, 89328, 89440, 96772, 107328, 111660, 119104, 120965, 134160, 145158, 148880, 160046, 178656, 178880, 193544, 214656, 223320, 238208, 240069, 241930, 268320, 290316, 297760, 320092, 357312, 357760, 362895, 387088, 400115, 446640, 480138, 483860, 536640, 580632, 595520, 640184, 714624, 725790, 774176, 800230, 893280, 960276, 967720, 1040299, 1073280, 1161264, 1191040, 1200345, 1280368, 1451580, 1548352, 1600460, 1786560, 1920552, 1935440, 2080598, 2322528, 2400690, 2560736, 2903160, 3096704, 3120897, 3200920, 3573120, 3841104, 3870880, 4161196, 4645056, 4801380, 5121472, 5201495, 5806320, 6241794, 6401840, 7682208, 7741760, 8322392, 9290112, 9602760, 10242944, 10402990, 11612640, 12483588, 12803680, 15364416, 15483520, 15604485, 16644784, 19205520, 20805980, 23225280, 24967176, 25607360, 30728832, 31208970, 33289568, 38411040, 41611960, 46450560, 49934352, 51214720, 62417940, 66579136, 76822080, 83223920, 99868704, 124835880, 133158272, 153644160, 166447840, 199737408, 249671760, 332895680, 399474816, 499343520, 665791360, 998687040, 1997374080]

約数ペア:

[(1, 1997374080), (2, 998687040), (3, 665791360), (4, 499343520), (5, 399474816), (6, 332895680), (8, 249671760), (10, 199737408), (12, 166447840), (13, 153644160), (15, 133158272), (16, 124835880), (20, 99868704), (24, 83223920), (26, 76822080), (30, 66579136), (32, 62417940), (39, 51214720), (40, 49934352), (43, 46450560), (48, 41611960), (52, 38411040), (60, 33289568), (64, 31208970), (65, 30728832), (78, 25607360), (80, 24967176), (86, 23225280), (96, 20805980), (104, 19205520), (120, 16644784), (128, 15604485), (129, 15483520), (130, 15364416), (156, 12803680), (160, 12483588), (172, 11612640), (192, 10402990), (195, 10242944), (208, 9602760), (215, 9290112), (240, 8322392), (258, 7741760), (260, 7682208), (312, 6401840), (320, 6241794), (344, 5806320), (384, 5201495), (390, 5121472), (416, 4801380), (430, 4645056), (480, 4161196), (516, 3870880), (520, 3841104), (559, 3573120), (624, 3200920), (640, 3120897), (645, 3096704), (688, 2903160), (780, 2560736), (832, 2400690), (860, 2322528), (960, 2080598), (1032, 1935440), (1040, 1920552), (1118, 1786560), (1248, 1600460), (1290, 1548352), (1376, 1451580), (1560, 1280368), (1664, 1200345), (1677, 1191040), (1720, 1161264), (1861, 1073280), (1920, 1040299), (2064, 967720), (2080, 960276), (2236, 893280), (2496, 800230), (2580, 774176), (2752, 725790), (2795, 714624), (3120, 640184), (3354, 595520), (3440, 580632), (3722, 536640), (4128, 483860), (4160, 480138), (4472, 446640), (4992, 400115), (5160, 387088), (5504, 362895), (5583, 357760), (5590, 357312), (6240, 320092), (6708, 297760), (6880, 290316), (7444, 268320), (8256, 241930), (8320, 240069), (8385, 238208), (8944, 223320), (9305, 214656), (10320, 193544), (11166, 178880), (11180, 178656), (12480, 160046), (13416, 148880), (13760, 145158), (14888, 134160), (16512, 120965), (16770, 119104), (17888, 111660), (18610, 107328), (20640, 96772), (22332, 89440), (22360, 89328), (24193, 82560), (24960, 80023), (26832, 74440), (27520, 72579), (27915, 71552), (29776, 67080), (33540, 59552), (35776, 55830), (37220, 53664), (41280, 48386), (44664, 44720)]