64894380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 185091312

約数和(自身を除く): 120196932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 157, 166, 249, 314, 332, 415, 471, 498, 628, 785, 830, 942, 996, 1245, 1570, 1660, 1884, 2355, 2490, 3140, 4710, 4980, 6889, 9420, 13031, 13778, 20667, 26062, 27556, 34445, 39093, 41334, 52124, 65155, 68890, 78186, 82668, 103335, 130310, 137780, 156372, 195465, 206670, 260620, 390930, 413340, 781860, 1081573, 2163146, 3244719, 4326292, 5407865, 6489438, 10815730, 12978876, 16223595, 21631460, 32447190, 64894380]

約数ペア:

[(1, 64894380), (2, 32447190), (3, 21631460), (4, 16223595), (5, 12978876), (6, 10815730), (10, 6489438), (12, 5407865), (15, 4326292), (20, 3244719), (30, 2163146), (60, 1081573), (83, 781860), (157, 413340), (166, 390930), (249, 260620), (314, 206670), (332, 195465), (415, 156372), (471, 137780), (498, 130310), (628, 103335), (785, 82668), (830, 78186), (942, 68890), (996, 65155), (1245, 52124), (1570, 41334), (1660, 39093), (1884, 34445), (2355, 27556), (2490, 26062), (3140, 20667), (4710, 13778), (4980, 13031), (6889, 9420)]