26880870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 67513536

約数和(自身を除く): 40632666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 61, 74, 111, 122, 183, 185, 222, 305, 366, 370, 397, 555, 610, 794, 915, 1110, 1191, 1830, 1985, 2257, 2382, 3970, 4514, 5955, 6771, 11285, 11910, 13542, 14689, 22570, 24217, 29378, 33855, 44067, 48434, 67710, 72651, 73445, 88134, 121085, 145302, 146890, 220335, 242170, 363255, 440670, 726510, 896029, 1792058, 2688087, 4480145, 5376174, 8960290, 13440435, 26880870]

約数ペア:

[(1, 26880870), (2, 13440435), (3, 8960290), (5, 5376174), (6, 4480145), (10, 2688087), (15, 1792058), (30, 896029), (37, 726510), (61, 440670), (74, 363255), (111, 242170), (122, 220335), (183, 146890), (185, 145302), (222, 121085), (305, 88134), (366, 73445), (370, 72651), (397, 67710), (555, 48434), (610, 44067), (794, 33855), (915, 29378), (1110, 24217), (1191, 22570), (1830, 14689), (1985, 13542), (2257, 11910), (2382, 11285), (3970, 6771), (4514, 5955)]