388054680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248753}}^1$

素因数の和:248780

約数の個数: 64

約数和(自身を含む): 1253720160

約数和(自身を除く): 865665480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 248753, 497506, 746259, 995012, 1243765, 1492518, 1990024, 2487530, 2985036, 3233789, 3731295, 4975060, 5970072, 6467578, 7462590, 9701367, 9950120, 12935156, 14925180, 16168945, 19402734, 25870312, 29850360, 32337890, 38805468, 48506835, 64675780, 77610936, 97013670, 129351560, 194027340, 388054680]

約数ペア:

[(1, 388054680), (2, 194027340), (3, 129351560), (4, 97013670), (5, 77610936), (6, 64675780), (8, 48506835), (10, 38805468), (12, 32337890), (13, 29850360), (15, 25870312), (20, 19402734), (24, 16168945), (26, 14925180), (30, 12935156), (39, 9950120), (40, 9701367), (52, 7462590), (60, 6467578), (65, 5970072), (78, 4975060), (104, 3731295), (120, 3233789), (130, 2985036), (156, 2487530), (195, 1990024), (260, 1492518), (312, 1243765), (390, 995012), (520, 746259), (780, 497506), (1560, 248753)]