82640640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21521}}^1$

素因数の和:21545

約数の個数: 72

約数和(自身を含む): 263945808

約数和(自身を除く): 181305168

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21521, 43042, 64563, 86084, 107605, 129126, 172168, 215210, 258252, 322815, 344336, 430420, 516504, 645630, 688672, 860840, 1033008, 1291260, 1377344, 1721680, 2066016, 2582520, 2754688, 3443360, 4132032, 5165040, 5509376, 6886720, 8264064, 10330080, 13773440, 16528128, 20660160, 27546880, 41320320, 82640640]

約数ペア:

[(1, 82640640), (2, 41320320), (3, 27546880), (4, 20660160), (5, 16528128), (6, 13773440), (8, 10330080), (10, 8264064), (12, 6886720), (15, 5509376), (16, 5165040), (20, 4132032), (24, 3443360), (30, 2754688), (32, 2582520), (40, 2066016), (48, 1721680), (60, 1377344), (64, 1291260), (80, 1033008), (96, 860840), (120, 688672), (128, 645630), (160, 516504), (192, 430420), (240, 344336), (256, 322815), (320, 258252), (384, 215210), (480, 172168), (640, 129126), (768, 107605), (960, 86084), (1280, 64563), (1920, 43042), (3840, 21521)]