1720403790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{18493}}^1$

素因数の和:18953

約数の個数: 64

約数和(自身を含む): 4729729536

約数和(自身を除く): 3009325746

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 443, 886, 1329, 2215, 2658, 3101, 4430, 6202, 6645, 9303, 13290, 15505, 18493, 18606, 31010, 36986, 46515, 55479, 92465, 93030, 110958, 129451, 184930, 258902, 277395, 388353, 554790, 647255, 776706, 1294510, 1941765, 3883530, 8192399, 16384798, 24577197, 40961995, 49154394, 57346793, 81923990, 114693586, 122885985, 172040379, 245771970, 286733965, 344080758, 573467930, 860201895, 1720403790]

約数ペア:

[(1, 1720403790), (2, 860201895), (3, 573467930), (5, 344080758), (6, 286733965), (7, 245771970), (10, 172040379), (14, 122885985), (15, 114693586), (21, 81923990), (30, 57346793), (35, 49154394), (42, 40961995), (70, 24577197), (105, 16384798), (210, 8192399), (443, 3883530), (886, 1941765), (1329, 1294510), (2215, 776706), (2658, 647255), (3101, 554790), (4430, 388353), (6202, 277395), (6645, 258902), (9303, 184930), (13290, 129451), (15505, 110958), (18493, 93030), (18606, 92465), (31010, 55479), (36986, 46515)]