128915080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 368990640

約数和(自身を除く): 240075560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 53, 56, 68, 70, 73, 85, 98, 106, 119, 136, 140, 146, 170, 196, 212, 238, 245, 265, 280, 292, 340, 365, 371, 392, 424, 476, 490, 511, 530, 584, 595, 680, 730, 742, 833, 901, 952, 980, 1022, 1060, 1190, 1241, 1460, 1484, 1666, 1802, 1855, 1960, 2044, 2120, 2380, 2482, 2555, 2597, 2920, 2968, 3332, 3577, 3604, 3710, 3869, 4088, 4165, 4505, 4760, 4964, 5110, 5194, 6205, 6307, 6664, 7154, 7208, 7420, 7738, 8330, 8687, 9010, 9928, 10220, 10388, 12410, 12614, 12985, 14308, 14840, 15476, 16660, 17374, 17885, 18020, 19345, 20440, 20776, 24820, 25228, 25970, 27083, 28616, 30952, 31535, 33320, 34748, 35770, 36040, 38690, 43435, 44149, 49640, 50456, 51940, 54166, 60809, 63070, 65773, 69496, 71540, 77380, 86870, 88298, 103880, 108332, 121618, 126140, 131546, 135415, 143080, 154760, 173740, 176596, 189581, 216664, 220745, 243236, 252280, 263092, 270830, 304045, 328865, 347480, 353192, 379162, 441490, 460411, 486472, 526184, 541660, 608090, 657730, 758324, 882980, 920822, 947905, 1083320, 1216180, 1315460, 1516648, 1765960, 1841644, 1895810, 2302055, 2432360, 2630920, 3222877, 3683288, 3791620, 4604110, 6445754, 7583240, 9208220, 12891508, 16114385, 18416440, 25783016, 32228770, 64457540, 128915080]

約数ペア:

[(1, 128915080), (2, 64457540), (4, 32228770), (5, 25783016), (7, 18416440), (8, 16114385), (10, 12891508), (14, 9208220), (17, 7583240), (20, 6445754), (28, 4604110), (34, 3791620), (35, 3683288), (40, 3222877), (49, 2630920), (53, 2432360), (56, 2302055), (68, 1895810), (70, 1841644), (73, 1765960), (85, 1516648), (98, 1315460), (106, 1216180), (119, 1083320), (136, 947905), (140, 920822), (146, 882980), (170, 758324), (196, 657730), (212, 608090), (238, 541660), (245, 526184), (265, 486472), (280, 460411), (292, 441490), (340, 379162), (365, 353192), (371, 347480), (392, 328865), (424, 304045), (476, 270830), (490, 263092), (511, 252280), (530, 243236), (584, 220745), (595, 216664), (680, 189581), (730, 176596), (742, 173740), (833, 154760), (901, 143080), (952, 135415), (980, 131546), (1022, 126140), (1060, 121618), (1190, 108332), (1241, 103880), (1460, 88298), (1484, 86870), (1666, 77380), (1802, 71540), (1855, 69496), (1960, 65773), (2044, 63070), (2120, 60809), (2380, 54166), (2482, 51940), (2555, 50456), (2597, 49640), (2920, 44149), (2968, 43435), (3332, 38690), (3577, 36040), (3604, 35770), (3710, 34748), (3869, 33320), (4088, 31535), (4165, 30952), (4505, 28616), (4760, 27083), (4964, 25970), (5110, 25228), (5194, 24820), (6205, 20776), (6307, 20440), (6664, 19345), (7154, 18020), (7208, 17885), (7420, 17374), (7738, 16660), (8330, 15476), (8687, 14840), (9010, 14308), (9928, 12985), (10220, 12614), (10388, 12410)]