208959660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12757}}^1$

素因数の和:12792

約数の個数: 144

約数和(自身を含む): 780177216

約数和(自身を除く): 571217556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 12757, 16380, 25514, 38271, 51028, 63785, 76542, 89299, 114813, 127570, 153084, 165841, 178598, 191355, 229626, 255140, 267897, 331682, 357196, 382710, 446495, 459252, 497523, 535794, 574065, 663364, 765420, 803691, 829205, 892990, 995046, 1071588, 1148130, 1160887, 1339485, 1492569, 1607382, 1658410, 1785980, 1990092, 2296260, 2321774, 2487615, 2678970, 2985138, 3214764, 3316820, 3482661, 4018455, 4643548, 4975230, 5357940, 5804435, 5970276, 6965322, 7462845, 8036910, 9950460, 10447983, 11608870, 13930644, 14925690, 16073820, 17413305, 20895966, 23217740, 29851380, 34826610, 41791932, 52239915, 69653220, 104479830, 208959660]

約数ペア:

[(1, 208959660), (2, 104479830), (3, 69653220), (4, 52239915), (5, 41791932), (6, 34826610), (7, 29851380), (9, 23217740), (10, 20895966), (12, 17413305), (13, 16073820), (14, 14925690), (15, 13930644), (18, 11608870), (20, 10447983), (21, 9950460), (26, 8036910), (28, 7462845), (30, 6965322), (35, 5970276), (36, 5804435), (39, 5357940), (42, 4975230), (45, 4643548), (52, 4018455), (60, 3482661), (63, 3316820), (65, 3214764), (70, 2985138), (78, 2678970), (84, 2487615), (90, 2321774), (91, 2296260), (105, 1990092), (117, 1785980), (126, 1658410), (130, 1607382), (140, 1492569), (156, 1339485), (180, 1160887), (182, 1148130), (195, 1071588), (210, 995046), (234, 892990), (252, 829205), (260, 803691), (273, 765420), (315, 663364), (364, 574065), (390, 535794), (420, 497523), (455, 459252), (468, 446495), (546, 382710), (585, 357196), (630, 331682), (780, 267897), (819, 255140), (910, 229626), (1092, 191355), (1170, 178598), (1260, 165841), (1365, 153084), (1638, 127570), (1820, 114813), (2340, 89299), (2730, 76542), (3276, 63785), (4095, 51028), (5460, 38271), (8190, 25514), (12757, 16380)]