15119320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 35769600

約数和(自身を除く): 20650280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 137, 155, 178, 248, 274, 310, 356, 445, 548, 620, 685, 712, 890, 1096, 1240, 1370, 1780, 2740, 2759, 3560, 4247, 5480, 5518, 8494, 11036, 12193, 13795, 16988, 21235, 22072, 24386, 27590, 33976, 42470, 48772, 55180, 60965, 84940, 97544, 110360, 121930, 169880, 243860, 377983, 487720, 755966, 1511932, 1889915, 3023864, 3779830, 7559660, 15119320]

約数ペア:

[(1, 15119320), (2, 7559660), (4, 3779830), (5, 3023864), (8, 1889915), (10, 1511932), (20, 755966), (31, 487720), (40, 377983), (62, 243860), (89, 169880), (124, 121930), (137, 110360), (155, 97544), (178, 84940), (248, 60965), (274, 55180), (310, 48772), (356, 42470), (445, 33976), (548, 27590), (620, 24386), (685, 22072), (712, 21235), (890, 16988), (1096, 13795), (1240, 12193), (1370, 11036), (1780, 8494), (2740, 5518), (2759, 5480), (3560, 4247)]