128867040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89491}}^1$

素因数の和:89512

約数の個数: 72

約数和(自身を含む): 439763688

約数和(自身を除く): 310896648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89491, 178982, 268473, 357964, 447455, 536946, 715928, 805419, 894910, 1073892, 1342365, 1431856, 1610838, 1789820, 2147784, 2684730, 2863712, 3221676, 3579640, 4027095, 4295568, 5369460, 6443352, 7159280, 8054190, 8591136, 10738920, 12886704, 14318560, 16108380, 21477840, 25773408, 32216760, 42955680, 64433520, 128867040]

約数ペア:

[(1, 128867040), (2, 64433520), (3, 42955680), (4, 32216760), (5, 25773408), (6, 21477840), (8, 16108380), (9, 14318560), (10, 12886704), (12, 10738920), (15, 8591136), (16, 8054190), (18, 7159280), (20, 6443352), (24, 5369460), (30, 4295568), (32, 4027095), (36, 3579640), (40, 3221676), (45, 2863712), (48, 2684730), (60, 2147784), (72, 1789820), (80, 1610838), (90, 1431856), (96, 1342365), (120, 1073892), (144, 894910), (160, 805419), (180, 715928), (240, 536946), (288, 447455), (360, 357964), (480, 268473), (720, 178982), (1440, 89491)]