1219638840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1439}}^1$

素因数の和:2469

約数の個数: 128

約数和(自身を含む): 4188672000

約数和(自身を除く): 2969033160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1009, 1439, 2018, 2878, 3027, 4036, 4317, 5045, 5756, 6054, 7063, 7195, 8072, 8634, 10073, 10090, 11512, 12108, 14126, 14390, 15135, 17268, 20146, 20180, 21189, 21585, 24216, 28252, 28780, 30219, 30270, 34536, 35315, 40292, 40360, 42378, 43170, 50365, 56504, 57560, 60438, 60540, 70630, 80584, 84756, 86340, 100730, 105945, 120876, 121080, 141260, 151095, 169512, 172680, 201460, 211890, 241752, 282520, 302190, 402920, 423780, 604380, 847560, 1208760, 1451951, 2903902, 4355853, 5807804, 7259755, 8711706, 10163657, 11615608, 14519510, 17423412, 20327314, 21779265, 29039020, 30490971, 34846824, 40654628, 43558530, 50818285, 58078040, 60981942, 81309256, 87117060, 101636570, 121963884, 152454855, 174234120, 203273140, 243927768, 304909710, 406546280, 609819420, 1219638840]

約数ペア:

[(1, 1219638840), (2, 609819420), (3, 406546280), (4, 304909710), (5, 243927768), (6, 203273140), (7, 174234120), (8, 152454855), (10, 121963884), (12, 101636570), (14, 87117060), (15, 81309256), (20, 60981942), (21, 58078040), (24, 50818285), (28, 43558530), (30, 40654628), (35, 34846824), (40, 30490971), (42, 29039020), (56, 21779265), (60, 20327314), (70, 17423412), (84, 14519510), (105, 11615608), (120, 10163657), (140, 8711706), (168, 7259755), (210, 5807804), (280, 4355853), (420, 2903902), (840, 1451951), (1009, 1208760), (1439, 847560), (2018, 604380), (2878, 423780), (3027, 402920), (4036, 302190), (4317, 282520), (5045, 241752), (5756, 211890), (6054, 201460), (7063, 172680), (7195, 169512), (8072, 151095), (8634, 141260), (10073, 121080), (10090, 120876), (11512, 105945), (12108, 100730), (14126, 86340), (14390, 84756), (15135, 80584), (17268, 70630), (20146, 60540), (20180, 60438), (21189, 57560), (21585, 56504), (24216, 50365), (28252, 43170), (28780, 42378), (30219, 40360), (30270, 40292), (34536, 35315)]