145105020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 463837920

約数和(自身を除く): 318732900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 219, 243, 270, 292, 324, 365, 405, 409, 438, 486, 540, 657, 730, 810, 818, 876, 972, 1095, 1215, 1227, 1314, 1460, 1620, 1636, 1971, 2045, 2190, 2430, 2454, 2628, 3285, 3681, 3942, 4090, 4380, 4860, 4908, 5913, 6135, 6570, 7362, 7884, 8180, 9855, 11043, 11826, 12270, 13140, 14724, 17739, 18405, 19710, 22086, 23652, 24540, 29565, 29857, 33129, 35478, 36810, 39420, 44172, 55215, 59130, 59714, 66258, 70956, 73620, 88695, 89571, 99387, 110430, 118260, 119428, 132516, 149285, 165645, 177390, 179142, 198774, 220860, 268713, 298570, 331290, 354780, 358284, 397548, 447855, 496935, 537426, 597140, 662580, 806139, 895710, 993870, 1074852, 1343565, 1612278, 1791420, 1987740, 2418417, 2687130, 3224556, 4030695, 4836834, 5374260, 7255251, 8061390, 9673668, 12092085, 14510502, 16122780, 24184170, 29021004, 36276255, 48368340, 72552510, 145105020]

約数ペア:

[(1, 145105020), (2, 72552510), (3, 48368340), (4, 36276255), (5, 29021004), (6, 24184170), (9, 16122780), (10, 14510502), (12, 12092085), (15, 9673668), (18, 8061390), (20, 7255251), (27, 5374260), (30, 4836834), (36, 4030695), (45, 3224556), (54, 2687130), (60, 2418417), (73, 1987740), (81, 1791420), (90, 1612278), (108, 1343565), (135, 1074852), (146, 993870), (162, 895710), (180, 806139), (219, 662580), (243, 597140), (270, 537426), (292, 496935), (324, 447855), (365, 397548), (405, 358284), (409, 354780), (438, 331290), (486, 298570), (540, 268713), (657, 220860), (730, 198774), (810, 179142), (818, 177390), (876, 165645), (972, 149285), (1095, 132516), (1215, 119428), (1227, 118260), (1314, 110430), (1460, 99387), (1620, 89571), (1636, 88695), (1971, 73620), (2045, 70956), (2190, 66258), (2430, 59714), (2454, 59130), (2628, 55215), (3285, 44172), (3681, 39420), (3942, 36810), (4090, 35478), (4380, 33129), (4860, 29857), (4908, 29565), (5913, 24540), (6135, 23652), (6570, 22086), (7362, 19710), (7884, 18405), (8180, 17739), (9855, 14724), (11043, 13140), (11826, 12270)]