1328403440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{182473}}^1$

素因数の和:182506

約数の個数: 80

約数和(自身を含む): 3801298368

約数和(自身を除く): 2472894928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 182473, 364946, 729892, 912365, 1277311, 1459784, 1824730, 2372149, 2554622, 2919568, 3649460, 4744298, 5109244, 6386555, 7298920, 9488596, 10218488, 11860745, 12773110, 14597840, 16605043, 18977192, 20436976, 23721490, 25546220, 33210086, 37954384, 47442980, 51092440, 66420172, 83025215, 94885960, 102184880, 132840344, 166050430, 189771920, 265680688, 332100860, 664201720, 1328403440]

約数ペア:

[(1, 1328403440), (2, 664201720), (4, 332100860), (5, 265680688), (7, 189771920), (8, 166050430), (10, 132840344), (13, 102184880), (14, 94885960), (16, 83025215), (20, 66420172), (26, 51092440), (28, 47442980), (35, 37954384), (40, 33210086), (52, 25546220), (56, 23721490), (65, 20436976), (70, 18977192), (80, 16605043), (91, 14597840), (104, 12773110), (112, 11860745), (130, 10218488), (140, 9488596), (182, 7298920), (208, 6386555), (260, 5109244), (280, 4744298), (364, 3649460), (455, 2919568), (520, 2554622), (560, 2372149), (728, 1824730), (910, 1459784), (1040, 1277311), (1456, 912365), (1820, 729892), (3640, 364946), (7280, 182473)]