31977680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3359}}^1$

素因数の和:3396

約数の個数: 80

約数和(自身を含む): 89994240

約数和(自身を除く): 58016560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 3359, 4760, 6718, 9520, 13436, 16795, 23513, 26872, 33590, 47026, 53744, 57103, 67180, 94052, 114206, 117565, 134360, 188104, 228412, 235130, 268720, 285515, 376208, 399721, 456824, 470260, 571030, 799442, 913648, 940520, 1142060, 1598884, 1881040, 1998605, 2284120, 3197768, 3997210, 4568240, 6395536, 7994420, 15988840, 31977680]

約数ペア:

[(1, 31977680), (2, 15988840), (4, 7994420), (5, 6395536), (7, 4568240), (8, 3997210), (10, 3197768), (14, 2284120), (16, 1998605), (17, 1881040), (20, 1598884), (28, 1142060), (34, 940520), (35, 913648), (40, 799442), (56, 571030), (68, 470260), (70, 456824), (80, 399721), (85, 376208), (112, 285515), (119, 268720), (136, 235130), (140, 228412), (170, 188104), (238, 134360), (272, 117565), (280, 114206), (340, 94052), (476, 67180), (560, 57103), (595, 53744), (680, 47026), (952, 33590), (1190, 26872), (1360, 23513), (1904, 16795), (2380, 13436), (3359, 9520), (4760, 6718)]