221730080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:931

約数の個数: 144

約数和(自身を含む): 620783352

約数和(自身を除く): 399053272

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 286, 352, 416, 440, 484, 520, 572, 605, 715, 880, 881, 968, 1040, 1144, 1210, 1430, 1573, 1760, 1762, 1936, 2080, 2288, 2420, 2860, 3146, 3524, 3872, 4405, 4576, 4840, 5720, 6292, 7048, 7865, 8810, 9680, 9691, 11440, 11453, 12584, 14096, 15730, 17620, 19360, 19382, 22880, 22906, 25168, 28192, 31460, 35240, 38764, 45812, 48455, 50336, 57265, 62920, 70480, 77528, 91624, 96910, 106601, 114530, 125840, 125983, 140960, 155056, 183248, 193820, 213202, 229060, 251680, 251966, 310112, 366496, 387640, 426404, 458120, 503932, 533005, 629915, 775280, 852808, 916240, 1007864, 1066010, 1259830, 1385813, 1550560, 1705616, 1832480, 2015728, 2132020, 2519660, 2771626, 3411232, 4031456, 4264040, 5039320, 5543252, 6929065, 8528080, 10078640, 11086504, 13858130, 17056160, 20157280, 22173008, 27716260, 44346016, 55432520, 110865040, 221730080]

約数ペア:

[(1, 221730080), (2, 110865040), (4, 55432520), (5, 44346016), (8, 27716260), (10, 22173008), (11, 20157280), (13, 17056160), (16, 13858130), (20, 11086504), (22, 10078640), (26, 8528080), (32, 6929065), (40, 5543252), (44, 5039320), (52, 4264040), (55, 4031456), (65, 3411232), (80, 2771626), (88, 2519660), (104, 2132020), (110, 2015728), (121, 1832480), (130, 1705616), (143, 1550560), (160, 1385813), (176, 1259830), (208, 1066010), (220, 1007864), (242, 916240), (260, 852808), (286, 775280), (352, 629915), (416, 533005), (440, 503932), (484, 458120), (520, 426404), (572, 387640), (605, 366496), (715, 310112), (880, 251966), (881, 251680), (968, 229060), (1040, 213202), (1144, 193820), (1210, 183248), (1430, 155056), (1573, 140960), (1760, 125983), (1762, 125840), (1936, 114530), (2080, 106601), (2288, 96910), (2420, 91624), (2860, 77528), (3146, 70480), (3524, 62920), (3872, 57265), (4405, 50336), (4576, 48455), (4840, 45812), (5720, 38764), (6292, 35240), (7048, 31460), (7865, 28192), (8810, 25168), (9680, 22906), (9691, 22880), (11440, 19382), (11453, 19360), (12584, 17620), (14096, 15730)]