2580390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4677210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 503, 513, 570, 855, 1006, 1026, 1509, 1710, 2515, 2565, 3018, 4527, 5030, 5130, 7545, 9054, 9557, 13581, 15090, 19114, 22635, 27162, 28671, 45270, 47785, 57342, 67905, 86013, 95570, 135810, 143355, 172026, 258039, 286710, 430065, 516078, 860130, 1290195, 2580390]

約数ペア:

[(1, 2580390), (2, 1290195), (3, 860130), (5, 516078), (6, 430065), (9, 286710), (10, 258039), (15, 172026), (18, 143355), (19, 135810), (27, 95570), (30, 86013), (38, 67905), (45, 57342), (54, 47785), (57, 45270), (90, 28671), (95, 27162), (114, 22635), (135, 19114), (171, 15090), (190, 13581), (270, 9557), (285, 9054), (342, 7545), (503, 5130), (513, 5030), (570, 4527), (855, 3018), (1006, 2565), (1026, 2515), (1509, 1710)]