1720620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:116

約数の個数: 108

約数和(自身を含む): 5809440

約数和(自身を除く): 4088820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 79, 90, 99, 110, 121, 132, 158, 165, 180, 198, 220, 237, 242, 316, 330, 363, 395, 396, 474, 484, 495, 605, 660, 711, 726, 790, 869, 948, 990, 1089, 1185, 1210, 1422, 1452, 1580, 1738, 1815, 1980, 2178, 2370, 2420, 2607, 2844, 3476, 3555, 3630, 4345, 4356, 4740, 5214, 5445, 7110, 7260, 7821, 8690, 9559, 10428, 10890, 13035, 14220, 15642, 17380, 19118, 21780, 26070, 28677, 31284, 38236, 39105, 47795, 52140, 57354, 78210, 86031, 95590, 114708, 143385, 156420, 172062, 191180, 286770, 344124, 430155, 573540, 860310, 1720620]

約数ペア:

[(1, 1720620), (2, 860310), (3, 573540), (4, 430155), (5, 344124), (6, 286770), (9, 191180), (10, 172062), (11, 156420), (12, 143385), (15, 114708), (18, 95590), (20, 86031), (22, 78210), (30, 57354), (33, 52140), (36, 47795), (44, 39105), (45, 38236), (55, 31284), (60, 28677), (66, 26070), (79, 21780), (90, 19118), (99, 17380), (110, 15642), (121, 14220), (132, 13035), (158, 10890), (165, 10428), (180, 9559), (198, 8690), (220, 7821), (237, 7260), (242, 7110), (316, 5445), (330, 5214), (363, 4740), (395, 4356), (396, 4345), (474, 3630), (484, 3555), (495, 3476), (605, 2844), (660, 2607), (711, 2420), (726, 2370), (790, 2178), (869, 1980), (948, 1815), (990, 1738), (1089, 1580), (1185, 1452), (1210, 1422)]