31513560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20201}}^1$

素因数の和:20228

約数の個数: 64

約数和(自身を含む): 101818080

約数和(自身を除く): 70304520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20201, 40402, 60603, 80804, 101005, 121206, 161608, 202010, 242412, 262613, 303015, 404020, 484824, 525226, 606030, 787839, 808040, 1050452, 1212060, 1313065, 1575678, 2100904, 2424120, 2626130, 3151356, 3939195, 5252260, 6302712, 7878390, 10504520, 15756780, 31513560]

約数ペア:

[(1, 31513560), (2, 15756780), (3, 10504520), (4, 7878390), (5, 6302712), (6, 5252260), (8, 3939195), (10, 3151356), (12, 2626130), (13, 2424120), (15, 2100904), (20, 1575678), (24, 1313065), (26, 1212060), (30, 1050452), (39, 808040), (40, 787839), (52, 606030), (60, 525226), (65, 484824), (78, 404020), (104, 303015), (120, 262613), (130, 242412), (156, 202010), (195, 161608), (260, 121206), (312, 101005), (390, 80804), (520, 60603), (780, 40402), (1560, 20201)]