388221840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18593}}^1$

素因数の和:18641

約数の個数: 120

約数和(自身を含む): 1348808760

約数和(自身を除く): 960586920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 18593, 20880, 37186, 55779, 74372, 92965, 111558, 148744, 167337, 185930, 223116, 278895, 297488, 334674, 371860, 446232, 539197, 557790, 669348, 743720, 836685, 892464, 1078394, 1115580, 1338696, 1487440, 1617591, 1673370, 2156788, 2231160, 2677392, 2695985, 3235182, 3346740, 4313576, 4462320, 4852773, 5391970, 6470364, 6693480, 8087955, 8627152, 9705546, 10783940, 12940728, 13386960, 16175910, 19411092, 21567880, 24263865, 25881456, 32351820, 38822184, 43135760, 48527730, 64703640, 77644368, 97055460, 129407280, 194110920, 388221840]

約数ペア:

[(1, 388221840), (2, 194110920), (3, 129407280), (4, 97055460), (5, 77644368), (6, 64703640), (8, 48527730), (9, 43135760), (10, 38822184), (12, 32351820), (15, 25881456), (16, 24263865), (18, 21567880), (20, 19411092), (24, 16175910), (29, 13386960), (30, 12940728), (36, 10783940), (40, 9705546), (45, 8627152), (48, 8087955), (58, 6693480), (60, 6470364), (72, 5391970), (80, 4852773), (87, 4462320), (90, 4313576), (116, 3346740), (120, 3235182), (144, 2695985), (145, 2677392), (174, 2231160), (180, 2156788), (232, 1673370), (240, 1617591), (261, 1487440), (290, 1338696), (348, 1115580), (360, 1078394), (435, 892464), (464, 836685), (522, 743720), (580, 669348), (696, 557790), (720, 539197), (870, 446232), (1044, 371860), (1160, 334674), (1305, 297488), (1392, 278895), (1740, 223116), (2088, 185930), (2320, 167337), (2610, 148744), (3480, 111558), (4176, 92965), (5220, 74372), (6960, 55779), (10440, 37186), (18593, 20880)]