12381440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 31457160

約数和(自身を除く): 19075720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 569, 640, 680, 1088, 1138, 1280, 1360, 2176, 2276, 2720, 2845, 4352, 4552, 5440, 5690, 9104, 9673, 10880, 11380, 18208, 19346, 21760, 22760, 36416, 38692, 45520, 48365, 72832, 77384, 91040, 96730, 145664, 154768, 182080, 193460, 309536, 364160, 386920, 619072, 728320, 773840, 1238144, 1547680, 2476288, 3095360, 6190720, 12381440]

約数ペア:

[(1, 12381440), (2, 6190720), (4, 3095360), (5, 2476288), (8, 1547680), (10, 1238144), (16, 773840), (17, 728320), (20, 619072), (32, 386920), (34, 364160), (40, 309536), (64, 193460), (68, 182080), (80, 154768), (85, 145664), (128, 96730), (136, 91040), (160, 77384), (170, 72832), (256, 48365), (272, 45520), (320, 38692), (340, 36416), (544, 22760), (569, 21760), (640, 19346), (680, 18208), (1088, 11380), (1138, 10880), (1280, 9673), (1360, 9104), (2176, 5690), (2276, 5440), (2720, 4552), (2845, 4352)]