645855120

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{33223}}^1$

素因数の和:33251

約数の個数: 120

約数和(自身を含む): 2249397696

約数和(自身を除く): 1603542576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 33223, 66446, 99669, 132892, 166115, 199338, 265784, 299007, 332230, 398676, 498345, 531568, 598014, 664460, 797352, 897021, 996690, 1196028, 1328920, 1495035, 1594704, 1794042, 1993380, 2392056, 2657840, 2691063, 2990070, 3588084, 3986760, 4485105, 4784112, 5382126, 5980140, 7176168, 7973520, 8073189, 8970210, 10764252, 11960280, 13455315, 14352336, 16146378, 17940420, 21528504, 23920560, 26910630, 32292756, 35880840, 40365945, 43057008, 53821260, 64585512, 71761680, 80731890, 107642520, 129171024, 161463780, 215285040, 322927560, 645855120]

約数ペア:

[(1, 645855120), (2, 322927560), (3, 215285040), (4, 161463780), (5, 129171024), (6, 107642520), (8, 80731890), (9, 71761680), (10, 64585512), (12, 53821260), (15, 43057008), (16, 40365945), (18, 35880840), (20, 32292756), (24, 26910630), (27, 23920560), (30, 21528504), (36, 17940420), (40, 16146378), (45, 14352336), (48, 13455315), (54, 11960280), (60, 10764252), (72, 8970210), (80, 8073189), (81, 7973520), (90, 7176168), (108, 5980140), (120, 5382126), (135, 4784112), (144, 4485105), (162, 3986760), (180, 3588084), (216, 2990070), (240, 2691063), (243, 2657840), (270, 2392056), (324, 1993380), (360, 1794042), (405, 1594704), (432, 1495035), (486, 1328920), (540, 1196028), (648, 996690), (720, 897021), (810, 797352), (972, 664460), (1080, 598014), (1215, 531568), (1296, 498345), (1620, 398676), (1944, 332230), (2160, 299007), (2430, 265784), (3240, 199338), (3888, 166115), (4860, 132892), (6480, 99669), (9720, 66446), (19440, 33223)]