258294780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38783}}^1$

素因数の和:38835

約数の個数: 72

約数和(自身を含む): 804690432

約数和(自身を除く): 546395652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 38783, 77566, 116349, 155132, 193915, 232698, 349047, 387830, 465396, 581745, 698094, 775660, 1163490, 1396188, 1434971, 1745235, 2326980, 2869942, 3490470, 4304913, 5739884, 6980940, 7174855, 8609826, 12914739, 14349710, 17219652, 21524565, 25829478, 28699420, 43049130, 51658956, 64573695, 86098260, 129147390, 258294780]

約数ペア:

[(1, 258294780), (2, 129147390), (3, 86098260), (4, 64573695), (5, 51658956), (6, 43049130), (9, 28699420), (10, 25829478), (12, 21524565), (15, 17219652), (18, 14349710), (20, 12914739), (30, 8609826), (36, 7174855), (37, 6980940), (45, 5739884), (60, 4304913), (74, 3490470), (90, 2869942), (111, 2326980), (148, 1745235), (180, 1434971), (185, 1396188), (222, 1163490), (333, 775660), (370, 698094), (444, 581745), (555, 465396), (666, 387830), (740, 349047), (1110, 232698), (1332, 193915), (1665, 155132), (2220, 116349), (3330, 77566), (6660, 38783)]