1813064520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{212801}}^1$

素因数の和:212886

約数の個数: 64

約数和(自身を含む): 5515827840

約数和(自身を除く): 3702763320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 212801, 425602, 638403, 851204, 1064005, 1276806, 1702408, 2128010, 2553612, 3192015, 4256020, 5107224, 6384030, 8512040, 12768060, 15108871, 25536120, 30217742, 45326613, 60435484, 75544355, 90653226, 120870968, 151088710, 181306452, 226633065, 302177420, 362612904, 453266130, 604354840, 906532260, 1813064520]

約数ペア:

[(1, 1813064520), (2, 906532260), (3, 604354840), (4, 453266130), (5, 362612904), (6, 302177420), (8, 226633065), (10, 181306452), (12, 151088710), (15, 120870968), (20, 90653226), (24, 75544355), (30, 60435484), (40, 45326613), (60, 30217742), (71, 25536120), (120, 15108871), (142, 12768060), (213, 8512040), (284, 6384030), (355, 5107224), (426, 4256020), (568, 3192015), (710, 2553612), (852, 2128010), (1065, 1702408), (1420, 1276806), (1704, 1064005), (2130, 851204), (2840, 638403), (4260, 425602), (8520, 212801)]