71439680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1321}}^1$

素因数の和:1364

約数の個数: 84

約数和(自身を含む): 184347612

約数和(自身を除く): 112907932

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1321, 1352, 1690, 2080, 2642, 2704, 3380, 4160, 5284, 5408, 6605, 6760, 10568, 10816, 13210, 13520, 17173, 21136, 26420, 27040, 34346, 42272, 52840, 54080, 68692, 84544, 85865, 105680, 137384, 171730, 211360, 223249, 274768, 343460, 422720, 446498, 549536, 686920, 892996, 1099072, 1116245, 1373840, 1785992, 2232490, 2747680, 3571984, 4464980, 5495360, 7143968, 8929960, 14287936, 17859920, 35719840, 71439680]

約数ペア:

[(1, 71439680), (2, 35719840), (4, 17859920), (5, 14287936), (8, 8929960), (10, 7143968), (13, 5495360), (16, 4464980), (20, 3571984), (26, 2747680), (32, 2232490), (40, 1785992), (52, 1373840), (64, 1116245), (65, 1099072), (80, 892996), (104, 686920), (130, 549536), (160, 446498), (169, 422720), (208, 343460), (260, 274768), (320, 223249), (338, 211360), (416, 171730), (520, 137384), (676, 105680), (832, 85865), (845, 84544), (1040, 68692), (1321, 54080), (1352, 52840), (1690, 42272), (2080, 34346), (2642, 27040), (2704, 26420), (3380, 21136), (4160, 17173), (5284, 13520), (5408, 13210), (6605, 10816), (6760, 10568)]