77021880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 251899200

約数和(自身を除く): 174877320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 194, 195, 260, 291, 312, 388, 390, 485, 509, 520, 582, 776, 780, 970, 1018, 1164, 1261, 1455, 1527, 1560, 1940, 2036, 2328, 2522, 2545, 2910, 3054, 3783, 3880, 4072, 5044, 5090, 5820, 6108, 6305, 6617, 7566, 7635, 10088, 10180, 11640, 12216, 12610, 13234, 15132, 15270, 18915, 19851, 20360, 25220, 26468, 30264, 30540, 33085, 37830, 39702, 49373, 50440, 52936, 61080, 66170, 75660, 79404, 98746, 99255, 132340, 148119, 151320, 158808, 197492, 198510, 246865, 264680, 296238, 394984, 397020, 493730, 592476, 641849, 740595, 794040, 987460, 1184952, 1283698, 1481190, 1925547, 1974920, 2567396, 2962380, 3209245, 3851094, 5134792, 5924760, 6418490, 7702188, 9627735, 12836980, 15404376, 19255470, 25673960, 38510940, 77021880]

約数ペア:

[(1, 77021880), (2, 38510940), (3, 25673960), (4, 19255470), (5, 15404376), (6, 12836980), (8, 9627735), (10, 7702188), (12, 6418490), (13, 5924760), (15, 5134792), (20, 3851094), (24, 3209245), (26, 2962380), (30, 2567396), (39, 1974920), (40, 1925547), (52, 1481190), (60, 1283698), (65, 1184952), (78, 987460), (97, 794040), (104, 740595), (120, 641849), (130, 592476), (156, 493730), (194, 397020), (195, 394984), (260, 296238), (291, 264680), (312, 246865), (388, 198510), (390, 197492), (485, 158808), (509, 151320), (520, 148119), (582, 132340), (776, 99255), (780, 98746), (970, 79404), (1018, 75660), (1164, 66170), (1261, 61080), (1455, 52936), (1527, 50440), (1560, 49373), (1940, 39702), (2036, 37830), (2328, 33085), (2522, 30540), (2545, 30264), (2910, 26468), (3054, 25220), (3783, 20360), (3880, 19851), (4072, 18915), (5044, 15270), (5090, 15132), (5820, 13234), (6108, 12610), (6305, 12216), (6617, 11640), (7566, 10180), (7635, 10088)]