2028720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 6428160

約数和(自身を除く): 4399440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 107, 120, 158, 214, 237, 240, 316, 321, 395, 428, 474, 535, 632, 642, 790, 856, 948, 1070, 1185, 1264, 1284, 1580, 1605, 1712, 1896, 2140, 2370, 2568, 3160, 3210, 3792, 4280, 4740, 5136, 6320, 6420, 8453, 8560, 9480, 12840, 16906, 18960, 25359, 25680, 33812, 42265, 50718, 67624, 84530, 101436, 126795, 135248, 169060, 202872, 253590, 338120, 405744, 507180, 676240, 1014360, 2028720]

約数ペア:

[(1, 2028720), (2, 1014360), (3, 676240), (4, 507180), (5, 405744), (6, 338120), (8, 253590), (10, 202872), (12, 169060), (15, 135248), (16, 126795), (20, 101436), (24, 84530), (30, 67624), (40, 50718), (48, 42265), (60, 33812), (79, 25680), (80, 25359), (107, 18960), (120, 16906), (158, 12840), (214, 9480), (237, 8560), (240, 8453), (316, 6420), (321, 6320), (395, 5136), (428, 4740), (474, 4280), (535, 3792), (632, 3210), (642, 3160), (790, 2568), (856, 2370), (948, 2140), (1070, 1896), (1185, 1712), (1264, 1605), (1284, 1580)]