81498420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4079}}^1$

素因数の和:4134

約数の個数: 96

約数和(自身を含む): 260467200

約数和(自身を除く): 178968780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1665, 1998, 2220, 3330, 3996, 4079, 4995, 6660, 8158, 9990, 12237, 16316, 19980, 20395, 24474, 36711, 40790, 48948, 61185, 73422, 81580, 110133, 122370, 146844, 150923, 183555, 220266, 244740, 301846, 367110, 440532, 452769, 550665, 603692, 734220, 754615, 905538, 1101330, 1358307, 1509230, 1811076, 2202660, 2263845, 2716614, 3018460, 4074921, 4527690, 5433228, 6791535, 8149842, 9055380, 13583070, 16299684, 20374605, 27166140, 40749210, 81498420]

約数ペア:

[(1, 81498420), (2, 40749210), (3, 27166140), (4, 20374605), (5, 16299684), (6, 13583070), (9, 9055380), (10, 8149842), (12, 6791535), (15, 5433228), (18, 4527690), (20, 4074921), (27, 3018460), (30, 2716614), (36, 2263845), (37, 2202660), (45, 1811076), (54, 1509230), (60, 1358307), (74, 1101330), (90, 905538), (108, 754615), (111, 734220), (135, 603692), (148, 550665), (180, 452769), (185, 440532), (222, 367110), (270, 301846), (333, 244740), (370, 220266), (444, 183555), (540, 150923), (555, 146844), (666, 122370), (740, 110133), (999, 81580), (1110, 73422), (1332, 61185), (1665, 48948), (1998, 40790), (2220, 36711), (3330, 24474), (3996, 20395), (4079, 19980), (4995, 16316), (6660, 12237), (8158, 9990)]