19798128540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4073689}}^1$

素因数の和:4073713

約数の個数: 72

約数和(自身を含む): 62278572720

約数和(自身を除く): 42480444180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 4073689, 8147378, 12221067, 16294756, 20368445, 24442134, 36663201, 40736890, 48884268, 61105335, 73326402, 81473780, 109989603, 122210670, 146652804, 183316005, 219979206, 244421340, 329968809, 366632010, 439958412, 549948015, 659937618, 733264020, 989906427, 1099896030, 1319875236, 1649844045, 1979812854, 2199792060, 3299688090, 3959625708, 4949532135, 6599376180, 9899064270, 19798128540]

約数ペア:

[(1, 19798128540), (2, 9899064270), (3, 6599376180), (4, 4949532135), (5, 3959625708), (6, 3299688090), (9, 2199792060), (10, 1979812854), (12, 1649844045), (15, 1319875236), (18, 1099896030), (20, 989906427), (27, 733264020), (30, 659937618), (36, 549948015), (45, 439958412), (54, 366632010), (60, 329968809), (81, 244421340), (90, 219979206), (108, 183316005), (135, 146652804), (162, 122210670), (180, 109989603), (243, 81473780), (270, 73326402), (324, 61105335), (405, 48884268), (486, 40736890), (540, 36663201), (810, 24442134), (972, 20368445), (1215, 16294756), (1620, 12221067), (2430, 8147378), (4860, 4073689)]