23687720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2729}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 39211480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 2729, 4340, 5458, 8680, 10916, 13645, 19103, 21832, 27290, 38206, 54580, 76412, 84599, 95515, 109160, 152824, 169198, 191030, 338396, 382060, 422995, 592193, 676792, 764120, 845990, 1184386, 1691980, 2368772, 2960965, 3383960, 4737544, 5921930, 11843860, 23687720]

約数ペア:

[(1, 23687720), (2, 11843860), (4, 5921930), (5, 4737544), (7, 3383960), (8, 2960965), (10, 2368772), (14, 1691980), (20, 1184386), (28, 845990), (31, 764120), (35, 676792), (40, 592193), (56, 422995), (62, 382060), (70, 338396), (124, 191030), (140, 169198), (155, 152824), (217, 109160), (248, 95515), (280, 84599), (310, 76412), (434, 54580), (620, 38206), (868, 27290), (1085, 21832), (1240, 19103), (1736, 13645), (2170, 10916), (2729, 8680), (4340, 5458)]