72605720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5376

約数の個数: 64

約数和(自身を含む): 183997440

約数和(自身を除く): 111391720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 5323, 6820, 10646, 13640, 21292, 26615, 42584, 53230, 58553, 106460, 117106, 165013, 212920, 234212, 292765, 330026, 468424, 585530, 660052, 825065, 1171060, 1320104, 1650130, 1815143, 2342120, 3300260, 3630286, 6600520, 7260572, 9075715, 14521144, 18151430, 36302860, 72605720]

約数ペア:

[(1, 72605720), (2, 36302860), (4, 18151430), (5, 14521144), (8, 9075715), (10, 7260572), (11, 6600520), (20, 3630286), (22, 3300260), (31, 2342120), (40, 1815143), (44, 1650130), (55, 1320104), (62, 1171060), (88, 825065), (110, 660052), (124, 585530), (155, 468424), (220, 330026), (248, 292765), (310, 234212), (341, 212920), (440, 165013), (620, 117106), (682, 106460), (1240, 58553), (1364, 53230), (1705, 42584), (2728, 26615), (3410, 21292), (5323, 13640), (6820, 10646)]