1308690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 3611520

約数和(自身を除く): 2302830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 131, 135, 185, 222, 262, 270, 333, 370, 393, 555, 655, 666, 786, 999, 1110, 1179, 1310, 1665, 1965, 1998, 2358, 3330, 3537, 3930, 4847, 4995, 5895, 7074, 9694, 9990, 11790, 14541, 17685, 24235, 29082, 35370, 43623, 48470, 72705, 87246, 130869, 145410, 218115, 261738, 436230, 654345, 1308690]

約数ペア:

[(1, 1308690), (2, 654345), (3, 436230), (5, 261738), (6, 218115), (9, 145410), (10, 130869), (15, 87246), (18, 72705), (27, 48470), (30, 43623), (37, 35370), (45, 29082), (54, 24235), (74, 17685), (90, 14541), (111, 11790), (131, 9990), (135, 9694), (185, 7074), (222, 5895), (262, 4995), (270, 4847), (333, 3930), (370, 3537), (393, 3330), (555, 2358), (655, 1998), (666, 1965), (786, 1665), (999, 1310), (1110, 1179)]