1989150720

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:990

約数の個数: 192

約数和(自身を含む): 6458175360

約数和(自身を除く): 4469024640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 256, 292, 320, 365, 384, 438, 480, 512, 584, 640, 730, 768, 876, 887, 960, 1024, 1095, 1168, 1280, 1460, 1536, 1752, 1774, 1920, 2048, 2190, 2336, 2560, 2661, 2920, 3072, 3504, 3548, 3840, 4380, 4435, 4672, 5120, 5322, 5840, 6144, 7008, 7096, 7680, 8760, 8870, 9344, 10240, 10644, 11680, 13305, 14016, 14192, 15360, 17520, 17740, 18688, 21288, 23360, 26610, 28032, 28384, 30720, 35040, 35480, 37376, 42576, 46720, 53220, 56064, 56768, 64751, 70080, 70960, 74752, 85152, 93440, 106440, 112128, 113536, 129502, 140160, 141920, 149504, 170304, 186880, 194253, 212880, 224256, 227072, 259004, 280320, 283840, 323755, 340608, 373760, 388506, 425760, 448512, 454144, 518008, 560640, 567680, 647510, 681216, 747520, 777012, 851520, 908288, 971265, 1036016, 1121280, 1135360, 1295020, 1362432, 1554024, 1703040, 1816576, 1942530, 2072032, 2242560, 2270720, 2590040, 2724864, 3108048, 3406080, 3885060, 4144064, 4541440, 5180080, 5449728, 6216096, 6812160, 7770120, 8288128, 9082880, 10360160, 12432192, 13624320, 15540240, 16576256, 20720320, 24864384, 27248640, 31080480, 33152512, 41440640, 49728768, 62160960, 66305024, 82881280, 99457536, 124321920, 132610048, 165762560, 198915072, 248643840, 331525120, 397830144, 497287680, 663050240, 994575360, 1989150720]

約数ペア:

[(1, 1989150720), (2, 994575360), (3, 663050240), (4, 497287680), (5, 397830144), (6, 331525120), (8, 248643840), (10, 198915072), (12, 165762560), (15, 132610048), (16, 124321920), (20, 99457536), (24, 82881280), (30, 66305024), (32, 62160960), (40, 49728768), (48, 41440640), (60, 33152512), (64, 31080480), (73, 27248640), (80, 24864384), (96, 20720320), (120, 16576256), (128, 15540240), (146, 13624320), (160, 12432192), (192, 10360160), (219, 9082880), (240, 8288128), (256, 7770120), (292, 6812160), (320, 6216096), (365, 5449728), (384, 5180080), (438, 4541440), (480, 4144064), (512, 3885060), (584, 3406080), (640, 3108048), (730, 2724864), (768, 2590040), (876, 2270720), (887, 2242560), (960, 2072032), (1024, 1942530), (1095, 1816576), (1168, 1703040), (1280, 1554024), (1460, 1362432), (1536, 1295020), (1752, 1135360), (1774, 1121280), (1920, 1036016), (2048, 971265), (2190, 908288), (2336, 851520), (2560, 777012), (2661, 747520), (2920, 681216), (3072, 647510), (3504, 567680), (3548, 560640), (3840, 518008), (4380, 454144), (4435, 448512), (4672, 425760), (5120, 388506), (5322, 373760), (5840, 340608), (6144, 323755), (7008, 283840), (7096, 280320), (7680, 259004), (8760, 227072), (8870, 224256), (9344, 212880), (10240, 194253), (10644, 186880), (11680, 170304), (13305, 149504), (14016, 141920), (14192, 140160), (15360, 129502), (17520, 113536), (17740, 112128), (18688, 106440), (21288, 93440), (23360, 85152), (26610, 74752), (28032, 70960), (28384, 70080), (30720, 64751), (35040, 56768), (35480, 56064), (37376, 53220), (42576, 46720)]