80420040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{24821}}^1$

素因数の和:24844

約数の個数: 80

約数和(自身を含む): 270311580

約数和(自身を除く): 189891540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 24821, 49642, 74463, 99284, 124105, 148926, 198568, 223389, 248210, 297852, 372315, 446778, 496420, 595704, 670167, 744630, 893556, 992840, 1116945, 1340334, 1489260, 1787112, 2010501, 2233890, 2680668, 2978520, 3350835, 4021002, 4467780, 5361336, 6701670, 8042004, 8935560, 10052505, 13403340, 16084008, 20105010, 26806680, 40210020, 80420040]

約数ペア:

[(1, 80420040), (2, 40210020), (3, 26806680), (4, 20105010), (5, 16084008), (6, 13403340), (8, 10052505), (9, 8935560), (10, 8042004), (12, 6701670), (15, 5361336), (18, 4467780), (20, 4021002), (24, 3350835), (27, 2978520), (30, 2680668), (36, 2233890), (40, 2010501), (45, 1787112), (54, 1489260), (60, 1340334), (72, 1116945), (81, 992840), (90, 893556), (108, 744630), (120, 670167), (135, 595704), (162, 496420), (180, 446778), (216, 372315), (270, 297852), (324, 248210), (360, 223389), (405, 198568), (540, 148926), (648, 124105), (810, 99284), (1080, 74463), (1620, 49642), (3240, 24821)]