72142560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:466

約数の個数: 288

約数和(自身を含む): 298613952

約数和(自身を除く): 226471392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 336, 340, 357, 360, 408, 420, 421, 476, 480, 504, 510, 544, 560, 595, 612, 630, 672, 680, 714, 720, 765, 816, 840, 842, 952, 1008, 1020, 1071, 1120, 1190, 1224, 1260, 1263, 1360, 1428, 1440, 1530, 1632, 1680, 1684, 1785, 1904, 2016, 2040, 2105, 2142, 2380, 2448, 2520, 2526, 2720, 2856, 2947, 3060, 3360, 3368, 3570, 3789, 3808, 4080, 4210, 4284, 4760, 4896, 5040, 5052, 5355, 5712, 5894, 6120, 6315, 6736, 7140, 7157, 7578, 8160, 8420, 8568, 8841, 9520, 10080, 10104, 10710, 11424, 11788, 12240, 12630, 13472, 14280, 14314, 14735, 15156, 16840, 17136, 17682, 18945, 19040, 20208, 21420, 21471, 23576, 24480, 25260, 26523, 28560, 28628, 29470, 30312, 33680, 34272, 35364, 35785, 37890, 40416, 42840, 42942, 44205, 47152, 50099, 50520, 53046, 57120, 57256, 58940, 60624, 64413, 67360, 70728, 71570, 75780, 85680, 85884, 88410, 94304, 100198, 101040, 106092, 107355, 114512, 117880, 121248, 128826, 132615, 141456, 143140, 150297, 151560, 171360, 171768, 176820, 200396, 202080, 212184, 214710, 229024, 235760, 250495, 257652, 265230, 282912, 286280, 300594, 303120, 322065, 343536, 353640, 400792, 424368, 429420, 450891, 471520, 500990, 515304, 530460, 572560, 601188, 606240, 644130, 687072, 707280, 751485, 801584, 848736, 858840, 901782, 1001980, 1030608, 1060920, 1145120, 1202376, 1288260, 1414560, 1502970, 1603168, 1717680, 1803564, 2003960, 2061216, 2121840, 2254455, 2404752, 2576520, 3005940, 3435360, 3607128, 4007920, 4243680, 4508910, 4809504, 5153040, 6011880, 7214256, 8015840, 9017820, 10306080, 12023760, 14428512, 18035640, 24047520, 36071280, 72142560]

約数ペア:

[(1, 72142560), (2, 36071280), (3, 24047520), (4, 18035640), (5, 14428512), (6, 12023760), (7, 10306080), (8, 9017820), (9, 8015840), (10, 7214256), (12, 6011880), (14, 5153040), (15, 4809504), (16, 4508910), (17, 4243680), (18, 4007920), (20, 3607128), (21, 3435360), (24, 3005940), (28, 2576520), (30, 2404752), (32, 2254455), (34, 2121840), (35, 2061216), (36, 2003960), (40, 1803564), (42, 1717680), (45, 1603168), (48, 1502970), (51, 1414560), (56, 1288260), (60, 1202376), (63, 1145120), (68, 1060920), (70, 1030608), (72, 1001980), (80, 901782), (84, 858840), (85, 848736), (90, 801584), (96, 751485), (102, 707280), (105, 687072), (112, 644130), (119, 606240), (120, 601188), (126, 572560), (136, 530460), (140, 515304), (144, 500990), (153, 471520), (160, 450891), (168, 429420), (170, 424368), (180, 400792), (204, 353640), (210, 343536), (224, 322065), (238, 303120), (240, 300594), (252, 286280), (255, 282912), (272, 265230), (280, 257652), (288, 250495), (306, 235760), (315, 229024), (336, 214710), (340, 212184), (357, 202080), (360, 200396), (408, 176820), (420, 171768), (421, 171360), (476, 151560), (480, 150297), (504, 143140), (510, 141456), (544, 132615), (560, 128826), (595, 121248), (612, 117880), (630, 114512), (672, 107355), (680, 106092), (714, 101040), (720, 100198), (765, 94304), (816, 88410), (840, 85884), (842, 85680), (952, 75780), (1008, 71570), (1020, 70728), (1071, 67360), (1120, 64413), (1190, 60624), (1224, 58940), (1260, 57256), (1263, 57120), (1360, 53046), (1428, 50520), (1440, 50099), (1530, 47152), (1632, 44205), (1680, 42942), (1684, 42840), (1785, 40416), (1904, 37890), (2016, 35785), (2040, 35364), (2105, 34272), (2142, 33680), (2380, 30312), (2448, 29470), (2520, 28628), (2526, 28560), (2720, 26523), (2856, 25260), (2947, 24480), (3060, 23576), (3360, 21471), (3368, 21420), (3570, 20208), (3789, 19040), (3808, 18945), (4080, 17682), (4210, 17136), (4284, 16840), (4760, 15156), (4896, 14735), (5040, 14314), (5052, 14280), (5355, 13472), (5712, 12630), (5894, 12240), (6120, 11788), (6315, 11424), (6736, 10710), (7140, 10104), (7157, 10080), (7578, 9520), (8160, 8841), (8420, 8568)]