1591980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 4857552

約数和(自身を除く): 3265572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 169, 195, 260, 314, 338, 390, 471, 507, 628, 676, 780, 785, 845, 942, 1014, 1570, 1690, 1884, 2028, 2041, 2355, 2535, 3140, 3380, 4082, 4710, 5070, 6123, 8164, 9420, 10140, 10205, 12246, 20410, 24492, 26533, 30615, 40820, 53066, 61230, 79599, 106132, 122460, 132665, 159198, 265330, 318396, 397995, 530660, 795990, 1591980]

約数ペア:

[(1, 1591980), (2, 795990), (3, 530660), (4, 397995), (5, 318396), (6, 265330), (10, 159198), (12, 132665), (13, 122460), (15, 106132), (20, 79599), (26, 61230), (30, 53066), (39, 40820), (52, 30615), (60, 26533), (65, 24492), (78, 20410), (130, 12246), (156, 10205), (157, 10140), (169, 9420), (195, 8164), (260, 6123), (314, 5070), (338, 4710), (390, 4082), (471, 3380), (507, 3140), (628, 2535), (676, 2355), (780, 2041), (785, 2028), (845, 1884), (942, 1690), (1014, 1570)]