28118160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{797}}^1$

素因数の和:830

約数の個数: 180

約数和(自身を含む): 109985148

約数和(自身を除く): 81866988

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 797, 840, 882, 980, 1008, 1176, 1260, 1470, 1594, 1680, 1764, 1960, 2205, 2352, 2391, 2520, 2940, 3188, 3528, 3920, 3985, 4410, 4782, 5040, 5579, 5880, 6376, 7056, 7173, 7970, 8820, 9564, 11158, 11760, 11955, 12752, 14346, 15940, 16737, 17640, 19128, 22316, 23910, 27895, 28692, 31880, 33474, 35280, 35865, 38256, 39053, 44632, 47820, 50211, 55790, 57384, 63760, 66948, 71730, 78106, 83685, 89264, 95640, 100422, 111580, 114768, 117159, 133896, 143460, 156212, 167370, 191280, 195265, 200844, 223160, 234318, 251055, 267792, 286920, 312424, 334740, 351477, 390530, 401688, 446320, 468636, 502110, 573840, 585795, 624848, 669480, 702954, 781060, 803376, 937272, 1004220, 1171590, 1338960, 1405908, 1562120, 1757385, 1874544, 2008440, 2343180, 2811816, 3124240, 3514770, 4016880, 4686360, 5623632, 7029540, 9372720, 14059080, 28118160]

約数ペア:

[(1, 28118160), (2, 14059080), (3, 9372720), (4, 7029540), (5, 5623632), (6, 4686360), (7, 4016880), (8, 3514770), (9, 3124240), (10, 2811816), (12, 2343180), (14, 2008440), (15, 1874544), (16, 1757385), (18, 1562120), (20, 1405908), (21, 1338960), (24, 1171590), (28, 1004220), (30, 937272), (35, 803376), (36, 781060), (40, 702954), (42, 669480), (45, 624848), (48, 585795), (49, 573840), (56, 502110), (60, 468636), (63, 446320), (70, 401688), (72, 390530), (80, 351477), (84, 334740), (90, 312424), (98, 286920), (105, 267792), (112, 251055), (120, 234318), (126, 223160), (140, 200844), (144, 195265), (147, 191280), (168, 167370), (180, 156212), (196, 143460), (210, 133896), (240, 117159), (245, 114768), (252, 111580), (280, 100422), (294, 95640), (315, 89264), (336, 83685), (360, 78106), (392, 71730), (420, 66948), (441, 63760), (490, 57384), (504, 55790), (560, 50211), (588, 47820), (630, 44632), (720, 39053), (735, 38256), (784, 35865), (797, 35280), (840, 33474), (882, 31880), (980, 28692), (1008, 27895), (1176, 23910), (1260, 22316), (1470, 19128), (1594, 17640), (1680, 16737), (1764, 15940), (1960, 14346), (2205, 12752), (2352, 11955), (2391, 11760), (2520, 11158), (2940, 9564), (3188, 8820), (3528, 7970), (3920, 7173), (3985, 7056), (4410, 6376), (4782, 5880), (5040, 5579)]