28358040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13901}}^1$

素因数の和:13932

約数の個数: 64

約数和(自身を含む): 90084960

約数和(自身を除く): 61726920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13901, 27802, 41703, 55604, 69505, 83406, 111208, 139010, 166812, 208515, 236317, 278020, 333624, 417030, 472634, 556040, 708951, 834060, 945268, 1181585, 1417902, 1668120, 1890536, 2363170, 2835804, 3544755, 4726340, 5671608, 7089510, 9452680, 14179020, 28358040]

約数ペア:

[(1, 28358040), (2, 14179020), (3, 9452680), (4, 7089510), (5, 5671608), (6, 4726340), (8, 3544755), (10, 2835804), (12, 2363170), (15, 1890536), (17, 1668120), (20, 1417902), (24, 1181585), (30, 945268), (34, 834060), (40, 708951), (51, 556040), (60, 472634), (68, 417030), (85, 333624), (102, 278020), (120, 236317), (136, 208515), (170, 166812), (204, 139010), (255, 111208), (340, 83406), (408, 69505), (510, 55604), (680, 41703), (1020, 27802), (2040, 13901)]