355491540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5077}}^1$

素因数の和:5481

約数の個数: 72

約数和(自身を含む): 1081309320

約数和(自身を除く): 725817780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2334, 3501, 3890, 4668, 5077, 5835, 7002, 7780, 10154, 11670, 14004, 15231, 17505, 20308, 23340, 25385, 30462, 35010, 45693, 50770, 60924, 70020, 76155, 91386, 101540, 152310, 182772, 228465, 304620, 456930, 913860, 1974953, 3949906, 5924859, 7899812, 9874765, 11849718, 17774577, 19749530, 23699436, 29624295, 35549154, 39499060, 59248590, 71098308, 88872885, 118497180, 177745770, 355491540]

約数ペア:

[(1, 355491540), (2, 177745770), (3, 118497180), (4, 88872885), (5, 71098308), (6, 59248590), (9, 39499060), (10, 35549154), (12, 29624295), (15, 23699436), (18, 19749530), (20, 17774577), (30, 11849718), (36, 9874765), (45, 7899812), (60, 5924859), (90, 3949906), (180, 1974953), (389, 913860), (778, 456930), (1167, 304620), (1556, 228465), (1945, 182772), (2334, 152310), (3501, 101540), (3890, 91386), (4668, 76155), (5077, 70020), (5835, 60924), (7002, 50770), (7780, 45693), (10154, 35010), (11670, 30462), (14004, 25385), (15231, 23340), (17505, 20308)]