90755910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1603

約数の個数: 128

約数和(自身を含む): 285696000

約数和(自身を除く): 194940090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1549, 1674, 1890, 1953, 2170, 2790, 3098, 3255, 3906, 4185, 4647, 5859, 6510, 7745, 8370, 9294, 9765, 10843, 11718, 13941, 15490, 19530, 21686, 23235, 27882, 29295, 32529, 41823, 46470, 48019, 54215, 58590, 65058, 69705, 83646, 96038, 97587, 108430, 139410, 144057, 162645, 195174, 209115, 240095, 288114, 292761, 325290, 336133, 418230, 432171, 480190, 487935, 585522, 672266, 720285, 864342, 975870, 1008399, 1296513, 1440570, 1463805, 1680665, 2016798, 2160855, 2593026, 2927610, 3025197, 3361330, 4321710, 5041995, 6050394, 6482565, 9075591, 10083990, 12965130, 15125985, 18151182, 30251970, 45377955, 90755910]

約数ペア:

[(1, 90755910), (2, 45377955), (3, 30251970), (5, 18151182), (6, 15125985), (7, 12965130), (9, 10083990), (10, 9075591), (14, 6482565), (15, 6050394), (18, 5041995), (21, 4321710), (27, 3361330), (30, 3025197), (31, 2927610), (35, 2593026), (42, 2160855), (45, 2016798), (54, 1680665), (62, 1463805), (63, 1440570), (70, 1296513), (90, 1008399), (93, 975870), (105, 864342), (126, 720285), (135, 672266), (155, 585522), (186, 487935), (189, 480190), (210, 432171), (217, 418230), (270, 336133), (279, 325290), (310, 292761), (315, 288114), (378, 240095), (434, 209115), (465, 195174), (558, 162645), (630, 144057), (651, 139410), (837, 108430), (930, 97587), (945, 96038), (1085, 83646), (1302, 69705), (1395, 65058), (1549, 58590), (1674, 54215), (1890, 48019), (1953, 46470), (2170, 41823), (2790, 32529), (3098, 29295), (3255, 27882), (3906, 23235), (4185, 21686), (4647, 19530), (5859, 15490), (6510, 13941), (7745, 11718), (8370, 10843), (9294, 9765)]