77788920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1957

約数の個数: 128

約数和(自身を含む): 262932480

約数和(自身を除く): 185143560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 1901, 2046, 2728, 3410, 3720, 3802, 4092, 5115, 5703, 6820, 7604, 8184, 9505, 10230, 11406, 13640, 15208, 19010, 20460, 20911, 22812, 28515, 38020, 40920, 41822, 45624, 57030, 58931, 62733, 76040, 83644, 104555, 114060, 117862, 125466, 167288, 176793, 209110, 228120, 235724, 250932, 294655, 313665, 353586, 418220, 471448, 501864, 589310, 627330, 648241, 707172, 836440, 883965, 1178620, 1254660, 1296482, 1414344, 1767930, 1944723, 2357240, 2509320, 2592964, 3241205, 3535860, 3889446, 5185928, 6482410, 7071720, 7778892, 9723615, 12964820, 15557784, 19447230, 25929640, 38894460, 77788920]

約数ペア:

[(1, 77788920), (2, 38894460), (3, 25929640), (4, 19447230), (5, 15557784), (6, 12964820), (8, 9723615), (10, 7778892), (11, 7071720), (12, 6482410), (15, 5185928), (20, 3889446), (22, 3535860), (24, 3241205), (30, 2592964), (31, 2509320), (33, 2357240), (40, 1944723), (44, 1767930), (55, 1414344), (60, 1296482), (62, 1254660), (66, 1178620), (88, 883965), (93, 836440), (110, 707172), (120, 648241), (124, 627330), (132, 589310), (155, 501864), (165, 471448), (186, 418220), (220, 353586), (248, 313665), (264, 294655), (310, 250932), (330, 235724), (341, 228120), (372, 209110), (440, 176793), (465, 167288), (620, 125466), (660, 117862), (682, 114060), (744, 104555), (930, 83644), (1023, 76040), (1240, 62733), (1320, 58931), (1364, 57030), (1705, 45624), (1860, 41822), (1901, 40920), (2046, 38020), (2728, 28515), (3410, 22812), (3720, 20911), (3802, 20460), (4092, 19010), (5115, 15208), (5703, 13640), (6820, 11406), (7604, 10230), (8184, 9505)]