72110720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10243}}^1$

素因数の和:10273

約数の個数: 64

約数和(自身を含む): 188079840

約数和(自身を除く): 115969120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 10243, 20486, 40972, 51215, 81944, 102430, 112673, 163888, 204860, 225346, 327776, 409720, 450692, 563365, 655552, 819440, 901384, 1126730, 1311104, 1638880, 1802768, 2253460, 3277760, 3605536, 4506920, 6555520, 7211072, 9013840, 14422144, 18027680, 36055360, 72110720]

約数ペア:

[(1, 72110720), (2, 36055360), (4, 18027680), (5, 14422144), (8, 9013840), (10, 7211072), (11, 6555520), (16, 4506920), (20, 3605536), (22, 3277760), (32, 2253460), (40, 1802768), (44, 1638880), (55, 1311104), (64, 1126730), (80, 901384), (88, 819440), (110, 655552), (128, 563365), (160, 450692), (176, 409720), (220, 327776), (320, 225346), (352, 204860), (440, 163888), (640, 112673), (704, 102430), (880, 81944), (1408, 51215), (1760, 40972), (3520, 20486), (7040, 10243)]