721185984

素因数分解:

$2^6\times 3^3\times {\mathrm{31}}^1\times {\mathrm{13463}}^1$

素因数の和:13515

約数の個数: 112

約数和(自身を含む): 2188707840

約数和(自身を除く): 1467521856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 144, 186, 192, 216, 248, 279, 288, 372, 432, 496, 558, 576, 744, 837, 864, 992, 1116, 1488, 1674, 1728, 1984, 2232, 2976, 3348, 4464, 5952, 6696, 8928, 13392, 13463, 17856, 26784, 26926, 40389, 53568, 53852, 80778, 107704, 121167, 161556, 215408, 242334, 323112, 363501, 417353, 430816, 484668, 646224, 727002, 834706, 861632, 969336, 1252059, 1292448, 1454004, 1669412, 1938672, 2504118, 2584896, 2908008, 3338824, 3756177, 3877344, 5008236, 5816016, 6677648, 7512354, 7754688, 10016472, 11268531, 11632032, 13355296, 15024708, 20032944, 22537062, 23264064, 26710592, 30049416, 40065888, 45074124, 60098832, 80131776, 90148248, 120197664, 180296496, 240395328, 360592992, 721185984]

約数ペア:

[(1, 721185984), (2, 360592992), (3, 240395328), (4, 180296496), (6, 120197664), (8, 90148248), (9, 80131776), (12, 60098832), (16, 45074124), (18, 40065888), (24, 30049416), (27, 26710592), (31, 23264064), (32, 22537062), (36, 20032944), (48, 15024708), (54, 13355296), (62, 11632032), (64, 11268531), (72, 10016472), (93, 7754688), (96, 7512354), (108, 6677648), (124, 5816016), (144, 5008236), (186, 3877344), (192, 3756177), (216, 3338824), (248, 2908008), (279, 2584896), (288, 2504118), (372, 1938672), (432, 1669412), (496, 1454004), (558, 1292448), (576, 1252059), (744, 969336), (837, 861632), (864, 834706), (992, 727002), (1116, 646224), (1488, 484668), (1674, 430816), (1728, 417353), (1984, 363501), (2232, 323112), (2976, 242334), (3348, 215408), (4464, 161556), (5952, 121167), (6696, 107704), (8928, 80778), (13392, 53852), (13463, 53568), (17856, 40389), (26784, 26926)]