79271720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2689}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 197553600

約数和(自身を除く): 118281880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2689, 2948, 3685, 5378, 5896, 7370, 10756, 13445, 14740, 21512, 26890, 29480, 29579, 53780, 59158, 107560, 118316, 147895, 180163, 236632, 295790, 360326, 591580, 720652, 900815, 1183160, 1441304, 1801630, 1981793, 3603260, 3963586, 7206520, 7927172, 9908965, 15854344, 19817930, 39635860, 79271720]

約数ペア:

[(1, 79271720), (2, 39635860), (4, 19817930), (5, 15854344), (8, 9908965), (10, 7927172), (11, 7206520), (20, 3963586), (22, 3603260), (40, 1981793), (44, 1801630), (55, 1441304), (67, 1183160), (88, 900815), (110, 720652), (134, 591580), (220, 360326), (268, 295790), (335, 236632), (440, 180163), (536, 147895), (670, 118316), (737, 107560), (1340, 59158), (1474, 53780), (2680, 29579), (2689, 29480), (2948, 26890), (3685, 21512), (5378, 14740), (5896, 13445), (7370, 10756)]