319071640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{887}}^1$

素因数の和:961

約数の個数: 96

約数和(自身を含む): 795523680

約数和(自身を除く): 476452040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 529, 680, 782, 887, 920, 1058, 1564, 1774, 1955, 2116, 2645, 3128, 3548, 3910, 4232, 4435, 5290, 7096, 7820, 8870, 8993, 10580, 15079, 15640, 17740, 17986, 20401, 21160, 30158, 35480, 35972, 40802, 44965, 60316, 71944, 75395, 81604, 89930, 102005, 120632, 150790, 163208, 179860, 204010, 301580, 346817, 359720, 408020, 469223, 603160, 693634, 816040, 938446, 1387268, 1734085, 1876892, 2346115, 2774536, 3468170, 3753784, 4692230, 6936340, 7976791, 9384460, 13872680, 15953582, 18768920, 31907164, 39883955, 63814328, 79767910, 159535820, 319071640]

約数ペア:

[(1, 319071640), (2, 159535820), (4, 79767910), (5, 63814328), (8, 39883955), (10, 31907164), (17, 18768920), (20, 15953582), (23, 13872680), (34, 9384460), (40, 7976791), (46, 6936340), (68, 4692230), (85, 3753784), (92, 3468170), (115, 2774536), (136, 2346115), (170, 1876892), (184, 1734085), (230, 1387268), (340, 938446), (391, 816040), (460, 693634), (529, 603160), (680, 469223), (782, 408020), (887, 359720), (920, 346817), (1058, 301580), (1564, 204010), (1774, 179860), (1955, 163208), (2116, 150790), (2645, 120632), (3128, 102005), (3548, 89930), (3910, 81604), (4232, 75395), (4435, 71944), (5290, 60316), (7096, 44965), (7820, 40802), (8870, 35972), (8993, 35480), (10580, 30158), (15079, 21160), (15640, 20401), (17740, 17986)]