1215450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 72

約数和(自身を含む): 3399708

約数和(自身を除く): 2184258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 73, 74, 75, 90, 111, 146, 150, 185, 219, 222, 225, 333, 365, 370, 438, 450, 555, 657, 666, 730, 925, 1095, 1110, 1314, 1665, 1825, 1850, 2190, 2701, 2775, 3285, 3330, 3650, 5402, 5475, 5550, 6570, 8103, 8325, 10950, 13505, 16206, 16425, 16650, 24309, 27010, 32850, 40515, 48618, 67525, 81030, 121545, 135050, 202575, 243090, 405150, 607725, 1215450]

約数ペア:

[(1, 1215450), (2, 607725), (3, 405150), (5, 243090), (6, 202575), (9, 135050), (10, 121545), (15, 81030), (18, 67525), (25, 48618), (30, 40515), (37, 32850), (45, 27010), (50, 24309), (73, 16650), (74, 16425), (75, 16206), (90, 13505), (111, 10950), (146, 8325), (150, 8103), (185, 6570), (219, 5550), (222, 5475), (225, 5402), (333, 3650), (365, 3330), (370, 3285), (438, 2775), (450, 2701), (555, 2190), (657, 1850), (666, 1825), (730, 1665), (925, 1314), (1095, 1110)]