210313530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 645120000

約数和(自身を除く): 434806470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 223, 270, 315, 378, 446, 499, 630, 669, 945, 998, 1115, 1338, 1497, 1561, 1890, 2007, 2230, 2495, 2994, 3122, 3345, 3493, 4014, 4491, 4683, 4990, 6021, 6690, 6986, 7485, 7805, 8982, 9366, 10035, 10479, 12042, 13473, 14049, 14970, 15610, 17465, 20070, 20958, 22455, 23415, 26946, 28098, 30105, 31437, 34930, 42147, 44910, 46830, 52395, 60210, 62874, 67365, 70245, 84294, 94311, 104790, 111277, 134730, 140490, 157185, 188622, 210735, 222554, 314370, 333831, 421470, 471555, 556385, 667662, 778939, 943110, 1001493, 1112770, 1557878, 1669155, 2002986, 2336817, 3004479, 3338310, 3894695, 4673634, 5007465, 6008958, 7010451, 7789390, 10014930, 11684085, 14020902, 15022395, 21031353, 23368170, 30044790, 35052255, 42062706, 70104510, 105156765, 210313530]

約数ペア:

[(1, 210313530), (2, 105156765), (3, 70104510), (5, 42062706), (6, 35052255), (7, 30044790), (9, 23368170), (10, 21031353), (14, 15022395), (15, 14020902), (18, 11684085), (21, 10014930), (27, 7789390), (30, 7010451), (35, 6008958), (42, 5007465), (45, 4673634), (54, 3894695), (63, 3338310), (70, 3004479), (90, 2336817), (105, 2002986), (126, 1669155), (135, 1557878), (189, 1112770), (210, 1001493), (223, 943110), (270, 778939), (315, 667662), (378, 556385), (446, 471555), (499, 421470), (630, 333831), (669, 314370), (945, 222554), (998, 210735), (1115, 188622), (1338, 157185), (1497, 140490), (1561, 134730), (1890, 111277), (2007, 104790), (2230, 94311), (2495, 84294), (2994, 70245), (3122, 67365), (3345, 62874), (3493, 60210), (4014, 52395), (4491, 46830), (4683, 44910), (4990, 42147), (6021, 34930), (6690, 31437), (6986, 30105), (7485, 28098), (7805, 26946), (8982, 23415), (9366, 22455), (10035, 20958), (10479, 20070), (12042, 17465), (13473, 15610), (14049, 14970)]