78777090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{41681}}^1$

素因数の和:41704

約数の個数: 64

約数和(自身を含む): 240088320

約数和(自身を除く): 161311230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 41681, 83362, 125043, 208405, 250086, 291767, 375129, 416810, 583534, 625215, 750258, 875301, 1125387, 1250430, 1458835, 1750602, 1875645, 2250774, 2625903, 2917670, 3751290, 4376505, 5251806, 5626935, 7877709, 8753010, 11253870, 13129515, 15755418, 26259030, 39388545, 78777090]

約数ペア:

[(1, 78777090), (2, 39388545), (3, 26259030), (5, 15755418), (6, 13129515), (7, 11253870), (9, 8753010), (10, 7877709), (14, 5626935), (15, 5251806), (18, 4376505), (21, 3751290), (27, 2917670), (30, 2625903), (35, 2250774), (42, 1875645), (45, 1750602), (54, 1458835), (63, 1250430), (70, 1125387), (90, 875301), (105, 750258), (126, 625215), (135, 583534), (189, 416810), (210, 375129), (270, 291767), (315, 250086), (378, 208405), (630, 125043), (945, 83362), (1890, 41681)]