720807984

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^2\times {\mathrm{1097}}^1$

素因数の和:1146

約数の個数: 180

約数和(自身を含む): 2267339256

約数和(自身を除く): 1546531272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 169, 208, 216, 234, 243, 312, 324, 338, 351, 432, 468, 486, 507, 624, 648, 676, 702, 936, 972, 1014, 1053, 1097, 1296, 1352, 1404, 1521, 1872, 1944, 2028, 2106, 2194, 2704, 2808, 3042, 3159, 3291, 3888, 4056, 4212, 4388, 4563, 5616, 6084, 6318, 6582, 8112, 8424, 8776, 9126, 9873, 12168, 12636, 13164, 13689, 14261, 16848, 17552, 18252, 19746, 24336, 25272, 26328, 27378, 28522, 29619, 36504, 39492, 41067, 42783, 50544, 52656, 54756, 57044, 59238, 73008, 78984, 82134, 85566, 88857, 109512, 114088, 118476, 128349, 157968, 164268, 171132, 177714, 185393, 219024, 228176, 236952, 256698, 266571, 328536, 342264, 355428, 370786, 385047, 473904, 513396, 533142, 556179, 657072, 684528, 710856, 741572, 770094, 1026792, 1066284, 1112358, 1155141, 1421712, 1483144, 1540188, 1668537, 2053584, 2132568, 2224716, 2310282, 2966288, 3080376, 3337074, 3465423, 4265136, 4449432, 4620564, 5005611, 6160752, 6674148, 6930846, 8898864, 9241128, 10011222, 13348296, 13861692, 15016833, 18482256, 20022444, 26696592, 27723384, 30033666, 40044888, 45050499, 55446768, 60067332, 80089776, 90100998, 120134664, 180201996, 240269328, 360403992, 720807984]

約数ペア:

[(1, 720807984), (2, 360403992), (3, 240269328), (4, 180201996), (6, 120134664), (8, 90100998), (9, 80089776), (12, 60067332), (13, 55446768), (16, 45050499), (18, 40044888), (24, 30033666), (26, 27723384), (27, 26696592), (36, 20022444), (39, 18482256), (48, 15016833), (52, 13861692), (54, 13348296), (72, 10011222), (78, 9241128), (81, 8898864), (104, 6930846), (108, 6674148), (117, 6160752), (144, 5005611), (156, 4620564), (162, 4449432), (169, 4265136), (208, 3465423), (216, 3337074), (234, 3080376), (243, 2966288), (312, 2310282), (324, 2224716), (338, 2132568), (351, 2053584), (432, 1668537), (468, 1540188), (486, 1483144), (507, 1421712), (624, 1155141), (648, 1112358), (676, 1066284), (702, 1026792), (936, 770094), (972, 741572), (1014, 710856), (1053, 684528), (1097, 657072), (1296, 556179), (1352, 533142), (1404, 513396), (1521, 473904), (1872, 385047), (1944, 370786), (2028, 355428), (2106, 342264), (2194, 328536), (2704, 266571), (2808, 256698), (3042, 236952), (3159, 228176), (3291, 219024), (3888, 185393), (4056, 177714), (4212, 171132), (4388, 164268), (4563, 157968), (5616, 128349), (6084, 118476), (6318, 114088), (6582, 109512), (8112, 88857), (8424, 85566), (8776, 82134), (9126, 78984), (9873, 73008), (12168, 59238), (12636, 57044), (13164, 54756), (13689, 52656), (14261, 50544), (16848, 42783), (17552, 41067), (18252, 39492), (19746, 36504), (24336, 29619), (25272, 28522), (26328, 27378)]