18880560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{8741}}^1$

素因数の和:8763

約数の個数: 80

約数和(自身を含む): 65040480

約数和(自身を除く): 46159920

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, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 8741, 17482, 26223, 34964, 43705, 52446, 69928, 78669, 87410, 104892, 131115, 139856, 157338, 174820, 209784, 236007, 262230, 314676, 349640, 393345, 419568, 472014, 524460, 629352, 699280, 786690, 944028, 1048920, 1180035, 1258704, 1573380, 1888056, 2097840, 2360070, 3146760, 3776112, 4720140, 6293520, 9440280, 18880560]

約数ペア:

[(1, 18880560), (2, 9440280), (3, 6293520), (4, 4720140), (5, 3776112), (6, 3146760), (8, 2360070), (9, 2097840), (10, 1888056), (12, 1573380), (15, 1258704), (16, 1180035), (18, 1048920), (20, 944028), (24, 786690), (27, 699280), (30, 629352), (36, 524460), (40, 472014), (45, 419568), (48, 393345), (54, 349640), (60, 314676), (72, 262230), (80, 236007), (90, 209784), (108, 174820), (120, 157338), (135, 139856), (144, 131115), (180, 104892), (216, 87410), (240, 78669), (270, 69928), (360, 52446), (432, 43705), (540, 34964), (720, 26223), (1080, 17482), (2160, 8741)]