266280080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 160

約数和(自身を含む): 716525568

約数和(自身を除く): 450245488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 43, 44, 55, 62, 80, 86, 88, 110, 124, 155, 172, 176, 215, 220, 227, 248, 310, 341, 344, 430, 440, 454, 473, 496, 620, 682, 688, 860, 880, 908, 946, 1135, 1240, 1333, 1364, 1705, 1720, 1816, 1892, 2270, 2365, 2480, 2497, 2666, 2728, 3410, 3440, 3632, 3784, 4540, 4730, 4994, 5332, 5456, 6665, 6820, 7037, 7568, 9080, 9460, 9761, 9988, 10664, 12485, 13330, 13640, 14074, 14663, 18160, 18920, 19522, 19976, 21328, 24970, 26660, 27280, 28148, 29326, 35185, 37840, 39044, 39952, 48805, 49940, 53320, 56296, 58652, 70370, 73315, 77407, 78088, 97610, 99880, 106640, 107371, 112592, 117304, 140740, 146630, 154814, 156176, 195220, 199760, 214742, 234608, 281480, 293260, 302591, 309628, 387035, 390440, 429484, 536855, 562960, 586520, 605182, 619256, 774070, 780880, 858968, 1073710, 1173040, 1210364, 1238512, 1512955, 1548140, 1717936, 2147420, 2420728, 3025910, 3096280, 3328501, 4294840, 4841456, 6051820, 6192560, 6657002, 8589680, 12103640, 13314004, 16642505, 24207280, 26628008, 33285010, 53256016, 66570020, 133140040, 266280080]

約数ペア:

[(1, 266280080), (2, 133140040), (4, 66570020), (5, 53256016), (8, 33285010), (10, 26628008), (11, 24207280), (16, 16642505), (20, 13314004), (22, 12103640), (31, 8589680), (40, 6657002), (43, 6192560), (44, 6051820), (55, 4841456), (62, 4294840), (80, 3328501), (86, 3096280), (88, 3025910), (110, 2420728), (124, 2147420), (155, 1717936), (172, 1548140), (176, 1512955), (215, 1238512), (220, 1210364), (227, 1173040), (248, 1073710), (310, 858968), (341, 780880), (344, 774070), (430, 619256), (440, 605182), (454, 586520), (473, 562960), (496, 536855), (620, 429484), (682, 390440), (688, 387035), (860, 309628), (880, 302591), (908, 293260), (946, 281480), (1135, 234608), (1240, 214742), (1333, 199760), (1364, 195220), (1705, 156176), (1720, 154814), (1816, 146630), (1892, 140740), (2270, 117304), (2365, 112592), (2480, 107371), (2497, 106640), (2666, 99880), (2728, 97610), (3410, 78088), (3440, 77407), (3632, 73315), (3784, 70370), (4540, 58652), (4730, 56296), (4994, 53320), (5332, 49940), (5456, 48805), (6665, 39952), (6820, 39044), (7037, 37840), (7568, 35185), (9080, 29326), (9460, 28148), (9761, 27280), (9988, 26660), (10664, 24970), (12485, 21328), (13330, 19976), (13640, 19522), (14074, 18920), (14663, 18160)]