990129420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{87313}}^1$

素因数の和:87341

約数の個数: 120

約数和(自身を含む): 3549837984

約数和(自身を除く): 2559708564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 87313, 174626, 261939, 349252, 436565, 523878, 611191, 785817, 873130, 1047756, 1222382, 1309695, 1571634, 1746260, 1833573, 2357451, 2444764, 2619390, 3055955, 3143268, 3667146, 3929085, 4714902, 5238780, 5500719, 6111910, 7072353, 7334292, 7858170, 9167865, 9429804, 11001438, 11787255, 12223820, 14144706, 15716340, 16502157, 18335730, 22002876, 23574510, 27503595, 28289412, 33004314, 35361765, 36671460, 47149020, 49506471, 55007190, 66008628, 70723530, 82510785, 99012942, 110014380, 141447060, 165021570, 198025884, 247532355, 330043140, 495064710, 990129420]

約数ペア:

[(1, 990129420), (2, 495064710), (3, 330043140), (4, 247532355), (5, 198025884), (6, 165021570), (7, 141447060), (9, 110014380), (10, 99012942), (12, 82510785), (14, 70723530), (15, 66008628), (18, 55007190), (20, 49506471), (21, 47149020), (27, 36671460), (28, 35361765), (30, 33004314), (35, 28289412), (36, 27503595), (42, 23574510), (45, 22002876), (54, 18335730), (60, 16502157), (63, 15716340), (70, 14144706), (81, 12223820), (84, 11787255), (90, 11001438), (105, 9429804), (108, 9167865), (126, 7858170), (135, 7334292), (140, 7072353), (162, 6111910), (180, 5500719), (189, 5238780), (210, 4714902), (252, 3929085), (270, 3667146), (315, 3143268), (324, 3055955), (378, 2619390), (405, 2444764), (420, 2357451), (540, 1833573), (567, 1746260), (630, 1571634), (756, 1309695), (810, 1222382), (945, 1047756), (1134, 873130), (1260, 785817), (1620, 611191), (1890, 523878), (2268, 436565), (2835, 349252), (3780, 261939), (5670, 174626), (11340, 87313)]