81286770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 203094144

約数和(自身を除く): 121807374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 61, 86, 122, 129, 183, 215, 258, 305, 366, 430, 610, 645, 915, 1033, 1290, 1830, 2066, 2623, 3099, 5165, 5246, 6198, 7869, 10330, 13115, 15495, 15738, 26230, 30990, 39345, 44419, 63013, 78690, 88838, 126026, 133257, 189039, 222095, 266514, 315065, 378078, 444190, 630130, 666285, 945195, 1332570, 1890390, 2709559, 5419118, 8128677, 13547795, 16257354, 27095590, 40643385, 81286770]

約数ペア:

[(1, 81286770), (2, 40643385), (3, 27095590), (5, 16257354), (6, 13547795), (10, 8128677), (15, 5419118), (30, 2709559), (43, 1890390), (61, 1332570), (86, 945195), (122, 666285), (129, 630130), (183, 444190), (215, 378078), (258, 315065), (305, 266514), (366, 222095), (430, 189039), (610, 133257), (645, 126026), (915, 88838), (1033, 78690), (1290, 63013), (1830, 44419), (2066, 39345), (2623, 30990), (3099, 26230), (5165, 15738), (5246, 15495), (6198, 13115), (7869, 10330)]