128749440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67057}}^1$

素因数の和:67079

約数の個数: 64

約数和(自身を含む): 410394960

約数和(自身を除く): 281645520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 67057, 134114, 201171, 268228, 335285, 402342, 536456, 670570, 804684, 1005855, 1072912, 1341140, 1609368, 2011710, 2145824, 2682280, 3218736, 4023420, 4291648, 5364560, 6437472, 8046840, 8583296, 10729120, 12874944, 16093680, 21458240, 25749888, 32187360, 42916480, 64374720, 128749440]

約数ペア:

[(1, 128749440), (2, 64374720), (3, 42916480), (4, 32187360), (5, 25749888), (6, 21458240), (8, 16093680), (10, 12874944), (12, 10729120), (15, 8583296), (16, 8046840), (20, 6437472), (24, 5364560), (30, 4291648), (32, 4023420), (40, 3218736), (48, 2682280), (60, 2145824), (64, 2011710), (80, 1609368), (96, 1341140), (120, 1072912), (128, 1005855), (160, 804684), (192, 670570), (240, 536456), (320, 402342), (384, 335285), (480, 268228), (640, 201171), (960, 134114), (1920, 67057)]