2678940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 9384480

約数和(自身を除く): 6705540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 41, 44, 45, 54, 55, 60, 66, 82, 90, 99, 108, 110, 121, 123, 132, 135, 164, 165, 180, 198, 205, 220, 242, 246, 270, 297, 330, 363, 369, 396, 410, 451, 484, 492, 495, 540, 594, 605, 615, 660, 726, 738, 820, 902, 990, 1089, 1107, 1188, 1210, 1230, 1353, 1452, 1476, 1485, 1804, 1815, 1845, 1980, 2178, 2214, 2255, 2420, 2460, 2706, 2970, 3267, 3630, 3690, 4059, 4356, 4428, 4510, 4961, 5412, 5445, 5535, 5940, 6534, 6765, 7260, 7380, 8118, 9020, 9922, 10890, 11070, 12177, 13068, 13530, 14883, 16236, 16335, 19844, 20295, 21780, 22140, 24354, 24805, 27060, 29766, 32670, 40590, 44649, 48708, 49610, 59532, 60885, 65340, 74415, 81180, 89298, 99220, 121770, 133947, 148830, 178596, 223245, 243540, 267894, 297660, 446490, 535788, 669735, 892980, 1339470, 2678940]

約数ペア:

[(1, 2678940), (2, 1339470), (3, 892980), (4, 669735), (5, 535788), (6, 446490), (9, 297660), (10, 267894), (11, 243540), (12, 223245), (15, 178596), (18, 148830), (20, 133947), (22, 121770), (27, 99220), (30, 89298), (33, 81180), (36, 74415), (41, 65340), (44, 60885), (45, 59532), (54, 49610), (55, 48708), (60, 44649), (66, 40590), (82, 32670), (90, 29766), (99, 27060), (108, 24805), (110, 24354), (121, 22140), (123, 21780), (132, 20295), (135, 19844), (164, 16335), (165, 16236), (180, 14883), (198, 13530), (205, 13068), (220, 12177), (242, 11070), (246, 10890), (270, 9922), (297, 9020), (330, 8118), (363, 7380), (369, 7260), (396, 6765), (410, 6534), (451, 5940), (484, 5535), (492, 5445), (495, 5412), (540, 4961), (594, 4510), (605, 4428), (615, 4356), (660, 4059), (726, 3690), (738, 3630), (820, 3267), (902, 2970), (990, 2706), (1089, 2460), (1107, 2420), (1188, 2255), (1210, 2214), (1230, 2178), (1353, 1980), (1452, 1845), (1476, 1815), (1485, 1804)]