81764490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 202715136

約数和(自身を除く): 120950646

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 103, 141, 206, 235, 282, 309, 470, 515, 563, 618, 705, 1030, 1126, 1410, 1545, 1689, 2815, 3090, 3378, 4841, 5630, 8445, 9682, 14523, 16890, 24205, 26461, 29046, 48410, 52922, 57989, 72615, 79383, 115978, 132305, 145230, 158766, 173967, 264610, 289945, 347934, 396915, 579890, 793830, 869835, 1739670, 2725483, 5450966, 8176449, 13627415, 16352898, 27254830, 40882245, 81764490]

約数ペア:

[(1, 81764490), (2, 40882245), (3, 27254830), (5, 16352898), (6, 13627415), (10, 8176449), (15, 5450966), (30, 2725483), (47, 1739670), (94, 869835), (103, 793830), (141, 579890), (206, 396915), (235, 347934), (282, 289945), (309, 264610), (470, 173967), (515, 158766), (563, 145230), (618, 132305), (705, 115978), (1030, 79383), (1126, 72615), (1410, 57989), (1545, 52922), (1689, 48410), (2815, 29046), (3090, 26461), (3378, 24205), (4841, 16890), (5630, 14523), (8445, 9682)]