642001920

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{853}}^1$

素因数の和:895

約数の個数: 264

約数和(自身を含む): 2391452784

約数和(自身を除く): 1749450864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 853, 896, 960, 980, 1024, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1706, 1792, 1920, 1960, 2240, 2352, 2559, 2560, 2688, 2940, 3072, 3136, 3360, 3412, 3584, 3840, 3920, 4265, 4480, 4704, 5118, 5120, 5376, 5880, 5971, 6272, 6720, 6824, 7168, 7680, 7840, 8530, 8960, 9408, 10236, 10752, 11760, 11942, 12544, 12795, 13440, 13648, 15360, 15680, 17060, 17913, 17920, 18816, 20472, 21504, 23520, 23884, 25088, 25590, 26880, 27296, 29855, 31360, 34120, 35826, 35840, 37632, 40944, 41797, 47040, 47768, 50176, 51180, 53760, 54592, 59710, 62720, 68240, 71652, 75264, 81888, 83594, 89565, 94080, 95536, 102360, 107520, 109184, 119420, 125391, 125440, 136480, 143304, 150528, 163776, 167188, 179130, 188160, 191072, 204720, 208985, 218368, 238840, 250782, 250880, 272960, 286608, 327552, 334376, 358260, 376320, 382144, 409440, 417970, 436736, 477680, 501564, 545920, 573216, 626955, 655104, 668752, 716520, 752640, 764288, 818880, 835940, 873472, 955360, 1003128, 1091840, 1146432, 1253910, 1310208, 1337504, 1433040, 1528576, 1637760, 1671880, 1910720, 2006256, 2183680, 2292864, 2507820, 2620416, 2675008, 2866080, 3057152, 3275520, 3343760, 3821440, 4012512, 4367360, 4585728, 5015640, 5350016, 5732160, 6114304, 6551040, 6687520, 7642880, 8025024, 9171456, 10031280, 10700032, 11464320, 13102080, 13375040, 15285760, 16050048, 18342912, 20062560, 21400064, 22928640, 26750080, 30571520, 32100096, 40125120, 42800128, 45857280, 53500160, 64200192, 80250240, 91714560, 107000320, 128400384, 160500480, 214000640, 321000960, 642001920]

約数ペア:

[(1, 642001920), (2, 321000960), (3, 214000640), (4, 160500480), (5, 128400384), (6, 107000320), (7, 91714560), (8, 80250240), (10, 64200192), (12, 53500160), (14, 45857280), (15, 42800128), (16, 40125120), (20, 32100096), (21, 30571520), (24, 26750080), (28, 22928640), (30, 21400064), (32, 20062560), (35, 18342912), (40, 16050048), (42, 15285760), (48, 13375040), (49, 13102080), (56, 11464320), (60, 10700032), (64, 10031280), (70, 9171456), (80, 8025024), (84, 7642880), (96, 6687520), (98, 6551040), (105, 6114304), (112, 5732160), (120, 5350016), (128, 5015640), (140, 4585728), (147, 4367360), (160, 4012512), (168, 3821440), (192, 3343760), (196, 3275520), (210, 3057152), (224, 2866080), (240, 2675008), (245, 2620416), (256, 2507820), (280, 2292864), (294, 2183680), (320, 2006256), (336, 1910720), (384, 1671880), (392, 1637760), (420, 1528576), (448, 1433040), (480, 1337504), (490, 1310208), (512, 1253910), (560, 1146432), (588, 1091840), (640, 1003128), (672, 955360), (735, 873472), (768, 835940), (784, 818880), (840, 764288), (853, 752640), (896, 716520), (960, 668752), (980, 655104), (1024, 626955), (1120, 573216), (1176, 545920), (1280, 501564), (1344, 477680), (1470, 436736), (1536, 417970), (1568, 409440), (1680, 382144), (1706, 376320), (1792, 358260), (1920, 334376), (1960, 327552), (2240, 286608), (2352, 272960), (2559, 250880), (2560, 250782), (2688, 238840), (2940, 218368), (3072, 208985), (3136, 204720), (3360, 191072), (3412, 188160), (3584, 179130), (3840, 167188), (3920, 163776), (4265, 150528), (4480, 143304), (4704, 136480), (5118, 125440), (5120, 125391), (5376, 119420), (5880, 109184), (5971, 107520), (6272, 102360), (6720, 95536), (6824, 94080), (7168, 89565), (7680, 83594), (7840, 81888), (8530, 75264), (8960, 71652), (9408, 68240), (10236, 62720), (10752, 59710), (11760, 54592), (11942, 53760), (12544, 51180), (12795, 50176), (13440, 47768), (13648, 47040), (15360, 41797), (15680, 40944), (17060, 37632), (17913, 35840), (17920, 35826), (18816, 34120), (20472, 31360), (21504, 29855), (23520, 27296), (23884, 26880), (25088, 25590)]