640852744320

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{4099}}^1\times {\mathrm{27143}}^1$

素因数の和:31267

約数の個数: 192

約数和(自身を含む): 2213566056000

約数和(自身を除く): 1572713311680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 4099, 5760, 8198, 12297, 16396, 20495, 24594, 27143, 32792, 36891, 40990, 49188, 54286, 61485, 65584, 73782, 81429, 81980, 98376, 108572, 122970, 131168, 135715, 147564, 162858, 163960, 184455, 196752, 217144, 244287, 245940, 262336, 271430, 295128, 325716, 327920, 368910, 393504, 407145, 434288, 488574, 491880, 524672, 542860, 590256, 651432, 655840, 737820, 787008, 814290, 868576, 977148, 983760, 1085720, 1180512, 1221435, 1302864, 1311680, 1475640, 1574016, 1628580, 1737152, 1954296, 1967520, 2171440, 2361024, 2442870, 2605728, 2623360, 2951280, 3257160, 3474304, 3908592, 3935040, 4342880, 4722048, 4885740, 5211456, 5902560, 6514320, 7817184, 7870080, 8685760, 9771480, 10422912, 11805120, 13028640, 15634368, 17371520, 19542960, 23610240, 26057280, 31268736, 39085920, 52114560, 78171840, 111259157, 156343680, 222518314, 333777471, 445036628, 556295785, 667554942, 890073256, 1001332413, 1112591570, 1335109884, 1668887355, 1780146512, 2002664826, 2225183140, 2670219768, 3337774710, 3560293024, 4005329652, 4450366280, 5006662065, 5340439536, 6675549420, 7120586048, 8010659304, 8900732560, 10013324130, 10680879072, 13351098840, 14241172096, 16021318608, 17801465120, 20026648260, 21361758144, 26702197680, 32042637216, 35602930240, 40053296520, 42723516288, 53404395360, 64085274432, 71205860480, 80106593040, 106808790720, 128170548864, 160213186080, 213617581440, 320426372160, 640852744320]

約数ペア:

[(1, 640852744320), (2, 320426372160), (3, 213617581440), (4, 160213186080), (5, 128170548864), (6, 106808790720), (8, 80106593040), (9, 71205860480), (10, 64085274432), (12, 53404395360), (15, 42723516288), (16, 40053296520), (18, 35602930240), (20, 32042637216), (24, 26702197680), (30, 21361758144), (32, 20026648260), (36, 17801465120), (40, 16021318608), (45, 14241172096), (48, 13351098840), (60, 10680879072), (64, 10013324130), (72, 8900732560), (80, 8010659304), (90, 7120586048), (96, 6675549420), (120, 5340439536), (128, 5006662065), (144, 4450366280), (160, 4005329652), (180, 3560293024), (192, 3337774710), (240, 2670219768), (288, 2225183140), (320, 2002664826), (360, 1780146512), (384, 1668887355), (480, 1335109884), (576, 1112591570), (640, 1001332413), (720, 890073256), (960, 667554942), (1152, 556295785), (1440, 445036628), (1920, 333777471), (2880, 222518314), (4099, 156343680), (5760, 111259157), (8198, 78171840), (12297, 52114560), (16396, 39085920), (20495, 31268736), (24594, 26057280), (27143, 23610240), (32792, 19542960), (36891, 17371520), (40990, 15634368), (49188, 13028640), (54286, 11805120), (61485, 10422912), (65584, 9771480), (73782, 8685760), (81429, 7870080), (81980, 7817184), (98376, 6514320), (108572, 5902560), (122970, 5211456), (131168, 4885740), (135715, 4722048), (147564, 4342880), (162858, 3935040), (163960, 3908592), (184455, 3474304), (196752, 3257160), (217144, 2951280), (244287, 2623360), (245940, 2605728), (262336, 2442870), (271430, 2361024), (295128, 2171440), (325716, 1967520), (327920, 1954296), (368910, 1737152), (393504, 1628580), (407145, 1574016), (434288, 1475640), (488574, 1311680), (491880, 1302864), (524672, 1221435), (542860, 1180512), (590256, 1085720), (651432, 983760), (655840, 977148), (737820, 868576), (787008, 814290)]