78102180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33377}}^1$

素因数の和:33405

約数の個数: 72

約数和(自身を含む): 255141432

約数和(自身を除く): 177039252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 33377, 66754, 100131, 133508, 166885, 200262, 300393, 333770, 400524, 433901, 500655, 600786, 667540, 867802, 1001310, 1201572, 1301703, 1501965, 1735604, 2002620, 2169505, 2603406, 3003930, 3905109, 4339010, 5206812, 6007860, 6508515, 7810218, 8678020, 13017030, 15620436, 19525545, 26034060, 39051090, 78102180]

約数ペア:

[(1, 78102180), (2, 39051090), (3, 26034060), (4, 19525545), (5, 15620436), (6, 13017030), (9, 8678020), (10, 7810218), (12, 6508515), (13, 6007860), (15, 5206812), (18, 4339010), (20, 3905109), (26, 3003930), (30, 2603406), (36, 2169505), (39, 2002620), (45, 1735604), (52, 1501965), (60, 1301703), (65, 1201572), (78, 1001310), (90, 867802), (117, 667540), (130, 600786), (156, 500655), (180, 433901), (195, 400524), (234, 333770), (260, 300393), (390, 200262), (468, 166885), (585, 133508), (780, 100131), (1170, 66754), (2340, 33377)]