1898108520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{205423}}^1$

素因数の和:205455

約数の個数: 128

約数和(自身を含む): 7099453440

約数和(自身を除く): 5201344920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 205423, 410846, 616269, 821692, 1027115, 1232538, 1437961, 1643384, 2054230, 2259653, 2465076, 2875922, 3081345, 4108460, 4313883, 4519306, 4930152, 5751844, 6162690, 6778959, 7189805, 8216920, 8627766, 9038612, 11298265, 11503688, 12325380, 13557918, 14379610, 15817571, 17255532, 18077224, 21569415, 22596530, 24650760, 27115836, 28759220, 31635142, 33894795, 34511064, 43138830, 45193060, 47452713, 54231672, 57518440, 63270284, 67789590, 79087855, 86277660, 90386120, 94905426, 126540568, 135579180, 158175710, 172555320, 189810852, 237263565, 271158360, 316351420, 379621704, 474527130, 632702840, 949054260, 1898108520]

約数ペア:

[(1, 1898108520), (2, 949054260), (3, 632702840), (4, 474527130), (5, 379621704), (6, 316351420), (7, 271158360), (8, 237263565), (10, 189810852), (11, 172555320), (12, 158175710), (14, 135579180), (15, 126540568), (20, 94905426), (21, 90386120), (22, 86277660), (24, 79087855), (28, 67789590), (30, 63270284), (33, 57518440), (35, 54231672), (40, 47452713), (42, 45193060), (44, 43138830), (55, 34511064), (56, 33894795), (60, 31635142), (66, 28759220), (70, 27115836), (77, 24650760), (84, 22596530), (88, 21569415), (105, 18077224), (110, 17255532), (120, 15817571), (132, 14379610), (140, 13557918), (154, 12325380), (165, 11503688), (168, 11298265), (210, 9038612), (220, 8627766), (231, 8216920), (264, 7189805), (280, 6778959), (308, 6162690), (330, 5751844), (385, 4930152), (420, 4519306), (440, 4313883), (462, 4108460), (616, 3081345), (660, 2875922), (770, 2465076), (840, 2259653), (924, 2054230), (1155, 1643384), (1320, 1437961), (1540, 1232538), (1848, 1027115), (2310, 821692), (3080, 616269), (4620, 410846), (9240, 205423)]