28441440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19751}}^1$

素因数の和:19772

約数の個数: 72

約数和(自身を含む): 97061328

約数和(自身を除く): 68619888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19751, 39502, 59253, 79004, 98755, 118506, 158008, 177759, 197510, 237012, 296265, 316016, 355518, 395020, 474024, 592530, 632032, 711036, 790040, 888795, 948048, 1185060, 1422072, 1580080, 1777590, 1896096, 2370120, 2844144, 3160160, 3555180, 4740240, 5688288, 7110360, 9480480, 14220720, 28441440]

約数ペア:

[(1, 28441440), (2, 14220720), (3, 9480480), (4, 7110360), (5, 5688288), (6, 4740240), (8, 3555180), (9, 3160160), (10, 2844144), (12, 2370120), (15, 1896096), (16, 1777590), (18, 1580080), (20, 1422072), (24, 1185060), (30, 948048), (32, 888795), (36, 790040), (40, 711036), (45, 632032), (48, 592530), (60, 474024), (72, 395020), (80, 355518), (90, 316016), (96, 296265), (120, 237012), (144, 197510), (160, 177759), (180, 158008), (240, 118506), (288, 98755), (360, 79004), (480, 59253), (720, 39502), (1440, 19751)]