28278021240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{4217}}^1$

素因数の和:5131

約数の個数: 256

約数和(自身を含む): 107872819200

約数和(自身を除く): 79594797960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 887, 945, 1080, 1260, 1512, 1774, 1890, 2520, 2661, 3548, 3780, 4217, 4435, 5322, 6209, 7096, 7560, 7983, 8434, 8870, 10644, 12418, 12651, 13305, 15966, 16868, 17740, 18627, 21085, 21288, 23949, 24836, 25302, 26610, 29519, 31045, 31932, 33736, 35480, 37254, 37953, 39915, 42170, 47898, 49672, 50604, 53220, 55881, 59038, 62090, 63255, 63864, 74508, 75906, 79830, 84340, 88557, 93135, 95796, 101208, 106440, 111762, 113859, 118076, 119745, 124180, 126510, 147595, 149016, 151812, 159660, 167643, 168680, 177114, 186270, 189765, 191592, 223524, 227718, 236152, 239490, 248360, 253020, 265671, 279405, 295190, 303624, 319320, 335286, 354228, 372540, 379530, 442785, 447048, 455436, 478980, 506040, 531342, 558810, 569295, 590380, 670572, 708456, 745080, 759060, 797013, 838215, 885570, 910872, 957960, 1062684, 1117620, 1138590, 1180760, 1328355, 1341144, 1518120, 1594026, 1676430, 1771140, 2125368, 2235240, 2277180, 2656710, 3188052, 3352860, 3542280, 3740479, 3985065, 4554360, 5313420, 6376104, 6705720, 7480958, 7970130, 10626840, 11221437, 14961916, 15940260, 18702395, 22442874, 26183353, 29923832, 31880520, 33664311, 37404790, 44885748, 52366706, 56107185, 67328622, 74809580, 78550059, 89771496, 100992933, 104733412, 112214370, 130916765, 134657244, 149619160, 157100118, 168321555, 201985866, 209466824, 224428740, 235650177, 261833530, 269314488, 314200236, 336643110, 392750295, 403971732, 448857480, 471300354, 504964665, 523667060, 628400472, 673286220, 706950531, 785500590, 807943464, 942600708, 1009929330, 1047334120, 1178250885, 1346572440, 1413901062, 1571001180, 1885201416, 2019858660, 2356501770, 2827802124, 3142002360, 3534752655, 4039717320, 4713003540, 5655604248, 7069505310, 9426007080, 14139010620, 28278021240]

約数ペア:

[(1, 28278021240), (2, 14139010620), (3, 9426007080), (4, 7069505310), (5, 5655604248), (6, 4713003540), (7, 4039717320), (8, 3534752655), (9, 3142002360), (10, 2827802124), (12, 2356501770), (14, 2019858660), (15, 1885201416), (18, 1571001180), (20, 1413901062), (21, 1346572440), (24, 1178250885), (27, 1047334120), (28, 1009929330), (30, 942600708), (35, 807943464), (36, 785500590), (40, 706950531), (42, 673286220), (45, 628400472), (54, 523667060), (56, 504964665), (60, 471300354), (63, 448857480), (70, 403971732), (72, 392750295), (84, 336643110), (90, 314200236), (105, 269314488), (108, 261833530), (120, 235650177), (126, 224428740), (135, 209466824), (140, 201985866), (168, 168321555), (180, 157100118), (189, 149619160), (210, 134657244), (216, 130916765), (252, 112214370), (270, 104733412), (280, 100992933), (315, 89771496), (360, 78550059), (378, 74809580), (420, 67328622), (504, 56107185), (540, 52366706), (630, 44885748), (756, 37404790), (840, 33664311), (887, 31880520), (945, 29923832), (1080, 26183353), (1260, 22442874), (1512, 18702395), (1774, 15940260), (1890, 14961916), (2520, 11221437), (2661, 10626840), (3548, 7970130), (3780, 7480958), (4217, 6705720), (4435, 6376104), (5322, 5313420), (6209, 4554360), (7096, 3985065), (7560, 3740479), (7983, 3542280), (8434, 3352860), (8870, 3188052), (10644, 2656710), (12418, 2277180), (12651, 2235240), (13305, 2125368), (15966, 1771140), (16868, 1676430), (17740, 1594026), (18627, 1518120), (21085, 1341144), (21288, 1328355), (23949, 1180760), (24836, 1138590), (25302, 1117620), (26610, 1062684), (29519, 957960), (31045, 910872), (31932, 885570), (33736, 838215), (35480, 797013), (37254, 759060), (37953, 745080), (39915, 708456), (42170, 670572), (47898, 590380), (49672, 569295), (50604, 558810), (53220, 531342), (55881, 506040), (59038, 478980), (62090, 455436), (63255, 447048), (63864, 442785), (74508, 379530), (75906, 372540), (79830, 354228), (84340, 335286), (88557, 319320), (93135, 303624), (95796, 295190), (101208, 279405), (106440, 265671), (111762, 253020), (113859, 248360), (118076, 239490), (119745, 236152), (124180, 227718), (126510, 223524), (147595, 191592), (149016, 189765), (151812, 186270), (159660, 177114), (167643, 168680)]