18085151520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1997}}^1$

素因数の和:2368

約数の個数: 288

約数和(自身を含む): 65192662080

約数和(自身を除く): 47107510560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 331, 342, 360, 380, 456, 480, 570, 608, 662, 684, 720, 760, 855, 912, 993, 1140, 1324, 1368, 1440, 1520, 1655, 1710, 1824, 1986, 1997, 2280, 2648, 2736, 2979, 3040, 3310, 3420, 3972, 3994, 4560, 4965, 5296, 5472, 5958, 5991, 6289, 6620, 6840, 7944, 7988, 9120, 9930, 9985, 10592, 11916, 11982, 12578, 13240, 13680, 14895, 15888, 15976, 17973, 18867, 19860, 19970, 23832, 23964, 25156, 26480, 27360, 29790, 29955, 31445, 31776, 31952, 35946, 37734, 37943, 39720, 39940, 47664, 47928, 50312, 52960, 56601, 59580, 59910, 62890, 63904, 71892, 75468, 75886, 79440, 79880, 89865, 94335, 95328, 95856, 100624, 113202, 113829, 119160, 119820, 125780, 143784, 150936, 151772, 158880, 159760, 179730, 188670, 189715, 191712, 201248, 226404, 227658, 238320, 239640, 251560, 283005, 287568, 301872, 303544, 319520, 341487, 359460, 377340, 379430, 452808, 455316, 476640, 479280, 503120, 566010, 569145, 575136, 603744, 607088, 661007, 682974, 718920, 754680, 758860, 905616, 910632, 958560, 1006240, 1132020, 1138290, 1214176, 1322014, 1365948, 1437840, 1509360, 1517720, 1707435, 1811232, 1821264, 1983021, 2264040, 2276580, 2644028, 2731896, 2875680, 3018720, 3035440, 3305035, 3414870, 3642528, 3966042, 4528080, 4553160, 5288056, 5463792, 5949063, 6070880, 6610070, 6829740, 7932084, 9056160, 9106320, 9915105, 10576112, 10927584, 11898126, 12559133, 13220140, 13659480, 15864168, 18212640, 19830210, 21152224, 23796252, 25118266, 26440280, 27318960, 29745315, 31728336, 37677399, 39660420, 47592504, 50236532, 52880560, 54637920, 59490630, 62795665, 63456672, 75354798, 79320840, 95185008, 100473064, 105761120, 113032197, 118981260, 125591330, 150709596, 158641680, 188386995, 190370016, 200946128, 226064394, 237962520, 251182660, 301419192, 317283360, 376773990, 401892256, 452128788, 475925040, 502365320, 565160985, 602838384, 753547980, 904257576, 951850080, 1004730640, 1130321970, 1205676768, 1507095960, 1808515152, 2009461280, 2260643940, 3014191920, 3617030304, 4521287880, 6028383840, 9042575760, 18085151520]

約数ペア:

[(1, 18085151520), (2, 9042575760), (3, 6028383840), (4, 4521287880), (5, 3617030304), (6, 3014191920), (8, 2260643940), (9, 2009461280), (10, 1808515152), (12, 1507095960), (15, 1205676768), (16, 1130321970), (18, 1004730640), (19, 951850080), (20, 904257576), (24, 753547980), (30, 602838384), (32, 565160985), (36, 502365320), (38, 475925040), (40, 452128788), (45, 401892256), (48, 376773990), (57, 317283360), (60, 301419192), (72, 251182660), (76, 237962520), (80, 226064394), (90, 200946128), (95, 190370016), (96, 188386995), (114, 158641680), (120, 150709596), (144, 125591330), (152, 118981260), (160, 113032197), (171, 105761120), (180, 100473064), (190, 95185008), (228, 79320840), (240, 75354798), (285, 63456672), (288, 62795665), (304, 59490630), (331, 54637920), (342, 52880560), (360, 50236532), (380, 47592504), (456, 39660420), (480, 37677399), (570, 31728336), (608, 29745315), (662, 27318960), (684, 26440280), (720, 25118266), (760, 23796252), (855, 21152224), (912, 19830210), (993, 18212640), (1140, 15864168), (1324, 13659480), (1368, 13220140), (1440, 12559133), (1520, 11898126), (1655, 10927584), (1710, 10576112), (1824, 9915105), (1986, 9106320), (1997, 9056160), (2280, 7932084), (2648, 6829740), (2736, 6610070), (2979, 6070880), (3040, 5949063), (3310, 5463792), (3420, 5288056), (3972, 4553160), (3994, 4528080), (4560, 3966042), (4965, 3642528), (5296, 3414870), (5472, 3305035), (5958, 3035440), (5991, 3018720), (6289, 2875680), (6620, 2731896), (6840, 2644028), (7944, 2276580), (7988, 2264040), (9120, 1983021), (9930, 1821264), (9985, 1811232), (10592, 1707435), (11916, 1517720), (11982, 1509360), (12578, 1437840), (13240, 1365948), (13680, 1322014), (14895, 1214176), (15888, 1138290), (15976, 1132020), (17973, 1006240), (18867, 958560), (19860, 910632), (19970, 905616), (23832, 758860), (23964, 754680), (25156, 718920), (26480, 682974), (27360, 661007), (29790, 607088), (29955, 603744), (31445, 575136), (31776, 569145), (31952, 566010), (35946, 503120), (37734, 479280), (37943, 476640), (39720, 455316), (39940, 452808), (47664, 379430), (47928, 377340), (50312, 359460), (52960, 341487), (56601, 319520), (59580, 303544), (59910, 301872), (62890, 287568), (63904, 283005), (71892, 251560), (75468, 239640), (75886, 238320), (79440, 227658), (79880, 226404), (89865, 201248), (94335, 191712), (95328, 189715), (95856, 188670), (100624, 179730), (113202, 159760), (113829, 158880), (119160, 151772), (119820, 150936), (125780, 143784)]