208426920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 256

約数和(自身を含む): 726243840

約数和(自身を除く): 517816920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 37, 39, 40, 46, 52, 60, 65, 69, 74, 78, 92, 104, 111, 115, 120, 130, 138, 148, 156, 157, 184, 185, 195, 222, 230, 260, 276, 296, 299, 312, 314, 345, 370, 390, 444, 460, 471, 481, 520, 552, 555, 598, 628, 690, 740, 780, 785, 851, 888, 897, 920, 942, 962, 1110, 1196, 1256, 1380, 1443, 1480, 1495, 1560, 1570, 1702, 1794, 1884, 1924, 2041, 2220, 2355, 2392, 2405, 2553, 2760, 2886, 2990, 3140, 3404, 3588, 3611, 3768, 3848, 4082, 4255, 4440, 4485, 4710, 4810, 5106, 5772, 5809, 5980, 6123, 6280, 6808, 7176, 7215, 7222, 8164, 8510, 8970, 9420, 9620, 10205, 10212, 10833, 11063, 11544, 11618, 11960, 12246, 12765, 14430, 14444, 16328, 17020, 17427, 17940, 18055, 18840, 19240, 20410, 20424, 21666, 22126, 23236, 24492, 25530, 28860, 28888, 29045, 30615, 33189, 34040, 34854, 35880, 36110, 40820, 43332, 44252, 46472, 46943, 48984, 51060, 54165, 55315, 57720, 58090, 61230, 66378, 69708, 72220, 75517, 81640, 86664, 87135, 88504, 93886, 102120, 108330, 110630, 116180, 122460, 132756, 133607, 139416, 140829, 144440, 151034, 165945, 174270, 187772, 216660, 221260, 226551, 232360, 234715, 244920, 265512, 267214, 281658, 302068, 331890, 348540, 375544, 377585, 400821, 433320, 442520, 453102, 469430, 534428, 563316, 604136, 663780, 668035, 697080, 704145, 755170, 801642, 906204, 938860, 1068856, 1126632, 1132755, 1327560, 1336070, 1408290, 1510340, 1603284, 1736891, 1812408, 1877720, 2004105, 2265510, 2672140, 2816580, 3020680, 3206568, 3473782, 4008210, 4531020, 5210673, 5344280, 5633160, 6947564, 8016420, 8684455, 9062040, 10421346, 13895128, 16032840, 17368910, 20842692, 26053365, 34737820, 41685384, 52106730, 69475640, 104213460, 208426920]

約数ペア:

[(1, 208426920), (2, 104213460), (3, 69475640), (4, 52106730), (5, 41685384), (6, 34737820), (8, 26053365), (10, 20842692), (12, 17368910), (13, 16032840), (15, 13895128), (20, 10421346), (23, 9062040), (24, 8684455), (26, 8016420), (30, 6947564), (37, 5633160), (39, 5344280), (40, 5210673), (46, 4531020), (52, 4008210), (60, 3473782), (65, 3206568), (69, 3020680), (74, 2816580), (78, 2672140), (92, 2265510), (104, 2004105), (111, 1877720), (115, 1812408), (120, 1736891), (130, 1603284), (138, 1510340), (148, 1408290), (156, 1336070), (157, 1327560), (184, 1132755), (185, 1126632), (195, 1068856), (222, 938860), (230, 906204), (260, 801642), (276, 755170), (296, 704145), (299, 697080), (312, 668035), (314, 663780), (345, 604136), (370, 563316), (390, 534428), (444, 469430), (460, 453102), (471, 442520), (481, 433320), (520, 400821), (552, 377585), (555, 375544), (598, 348540), (628, 331890), (690, 302068), (740, 281658), (780, 267214), (785, 265512), (851, 244920), (888, 234715), (897, 232360), (920, 226551), (942, 221260), (962, 216660), (1110, 187772), (1196, 174270), (1256, 165945), (1380, 151034), (1443, 144440), (1480, 140829), (1495, 139416), (1560, 133607), (1570, 132756), (1702, 122460), (1794, 116180), (1884, 110630), (1924, 108330), (2041, 102120), (2220, 93886), (2355, 88504), (2392, 87135), (2405, 86664), (2553, 81640), (2760, 75517), (2886, 72220), (2990, 69708), (3140, 66378), (3404, 61230), (3588, 58090), (3611, 57720), (3768, 55315), (3848, 54165), (4082, 51060), (4255, 48984), (4440, 46943), (4485, 46472), (4710, 44252), (4810, 43332), (5106, 40820), (5772, 36110), (5809, 35880), (5980, 34854), (6123, 34040), (6280, 33189), (6808, 30615), (7176, 29045), (7215, 28888), (7222, 28860), (8164, 25530), (8510, 24492), (8970, 23236), (9420, 22126), (9620, 21666), (10205, 20424), (10212, 20410), (10833, 19240), (11063, 18840), (11544, 18055), (11618, 17940), (11960, 17427), (12246, 17020), (12765, 16328), (14430, 14444)]