85972720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 212307840

約数和(自身を除く): 126335120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 304, 326, 347, 380, 652, 694, 760, 815, 1304, 1388, 1520, 1630, 1735, 2608, 2776, 3097, 3260, 3470, 5552, 6194, 6520, 6593, 6940, 12388, 13040, 13186, 13880, 15485, 24776, 26372, 27760, 30970, 32965, 49552, 52744, 56561, 61940, 65930, 105488, 113122, 123880, 131860, 226244, 247760, 263720, 282805, 452488, 527440, 565610, 904976, 1074659, 1131220, 2149318, 2262440, 4298636, 4524880, 5373295, 8597272, 10746590, 17194544, 21493180, 42986360, 85972720]

約数ペア:

[(1, 85972720), (2, 42986360), (4, 21493180), (5, 17194544), (8, 10746590), (10, 8597272), (16, 5373295), (19, 4524880), (20, 4298636), (38, 2262440), (40, 2149318), (76, 1131220), (80, 1074659), (95, 904976), (152, 565610), (163, 527440), (190, 452488), (304, 282805), (326, 263720), (347, 247760), (380, 226244), (652, 131860), (694, 123880), (760, 113122), (815, 105488), (1304, 65930), (1388, 61940), (1520, 56561), (1630, 52744), (1735, 49552), (2608, 32965), (2776, 30970), (3097, 27760), (3260, 26372), (3470, 24776), (5552, 15485), (6194, 13880), (6520, 13186), (6593, 13040), (6940, 12388)]