64394480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 158561280

約数和(自身を除く): 94166800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 230, 316, 368, 395, 443, 460, 632, 790, 886, 920, 1264, 1580, 1772, 1817, 1840, 2215, 3160, 3544, 3634, 4430, 6320, 7088, 7268, 8860, 9085, 10189, 14536, 17720, 18170, 20378, 29072, 34997, 35440, 36340, 40756, 50945, 69994, 72680, 81512, 101890, 139988, 145360, 163024, 174985, 203780, 279976, 349970, 407560, 559952, 699940, 804931, 815120, 1399880, 1609862, 2799760, 3219724, 4024655, 6439448, 8049310, 12878896, 16098620, 32197240, 64394480]

約数ペア:

[(1, 64394480), (2, 32197240), (4, 16098620), (5, 12878896), (8, 8049310), (10, 6439448), (16, 4024655), (20, 3219724), (23, 2799760), (40, 1609862), (46, 1399880), (79, 815120), (80, 804931), (92, 699940), (115, 559952), (158, 407560), (184, 349970), (230, 279976), (316, 203780), (368, 174985), (395, 163024), (443, 145360), (460, 139988), (632, 101890), (790, 81512), (886, 72680), (920, 69994), (1264, 50945), (1580, 40756), (1772, 36340), (1817, 35440), (1840, 34997), (2215, 29072), (3160, 20378), (3544, 18170), (3634, 17720), (4430, 14536), (6320, 10189), (7088, 9085), (7268, 8860)]