72320080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1017

約数の個数: 120

約数和(自身を含む): 206102880

約数和(自身を除く): 133782800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 971, 980, 1064, 1330, 1520, 1862, 1942, 1960, 2128, 2660, 3724, 3884, 3920, 4655, 4855, 5320, 6797, 7448, 7768, 9310, 9710, 10640, 13594, 14896, 15536, 18449, 18620, 19420, 27188, 33985, 36898, 37240, 38840, 47579, 54376, 67970, 73796, 74480, 77680, 92245, 95158, 108752, 129143, 135940, 147592, 184490, 190316, 237895, 258286, 271880, 295184, 368980, 380632, 475790, 516572, 543760, 645715, 737960, 761264, 904001, 951580, 1033144, 1291430, 1475920, 1808002, 1903160, 2066288, 2582860, 3616004, 3806320, 4520005, 5165720, 7232008, 9040010, 10331440, 14464016, 18080020, 36160040, 72320080]

約数ペア:

[(1, 72320080), (2, 36160040), (4, 18080020), (5, 14464016), (7, 10331440), (8, 9040010), (10, 7232008), (14, 5165720), (16, 4520005), (19, 3806320), (20, 3616004), (28, 2582860), (35, 2066288), (38, 1903160), (40, 1808002), (49, 1475920), (56, 1291430), (70, 1033144), (76, 951580), (80, 904001), (95, 761264), (98, 737960), (112, 645715), (133, 543760), (140, 516572), (152, 475790), (190, 380632), (196, 368980), (245, 295184), (266, 271880), (280, 258286), (304, 237895), (380, 190316), (392, 184490), (490, 147592), (532, 135940), (560, 129143), (665, 108752), (760, 95158), (784, 92245), (931, 77680), (971, 74480), (980, 73796), (1064, 67970), (1330, 54376), (1520, 47579), (1862, 38840), (1942, 37240), (1960, 36898), (2128, 33985), (2660, 27188), (3724, 19420), (3884, 18620), (3920, 18449), (4655, 15536), (4855, 14896), (5320, 13594), (6797, 10640), (7448, 9710), (7768, 9310)]