87216840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 192

約数和(自身を含む): 306633600

約数和(自身を除く): 219416760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 57, 60, 72, 76, 82, 90, 95, 114, 120, 123, 152, 164, 171, 180, 190, 205, 228, 246, 285, 311, 328, 342, 360, 369, 380, 410, 456, 492, 570, 615, 622, 684, 738, 760, 779, 820, 855, 933, 984, 1140, 1230, 1244, 1368, 1476, 1555, 1558, 1640, 1710, 1845, 1866, 2280, 2337, 2460, 2488, 2799, 2952, 3110, 3116, 3420, 3690, 3732, 3895, 4665, 4674, 4920, 5598, 5909, 6220, 6232, 6840, 7011, 7380, 7464, 7790, 9330, 9348, 11196, 11685, 11818, 12440, 12751, 13995, 14022, 14760, 15580, 17727, 18660, 18696, 22392, 23370, 23636, 25502, 27990, 28044, 29545, 31160, 35055, 35454, 37320, 38253, 46740, 47272, 51004, 53181, 55980, 56088, 59090, 63755, 70110, 70908, 76506, 88635, 93480, 102008, 106362, 111960, 114759, 118180, 127510, 140220, 141816, 153012, 177270, 191265, 212724, 229518, 236360, 242269, 255020, 265905, 280440, 306024, 354540, 382530, 425448, 459036, 484538, 510040, 531810, 573795, 709080, 726807, 765060, 918072, 969076, 1063620, 1147590, 1211345, 1453614, 1530120, 1938152, 2127240, 2180421, 2295180, 2422690, 2907228, 3634035, 4360842, 4590360, 4845380, 5814456, 7268070, 8721684, 9690760, 10902105, 14536140, 17443368, 21804210, 29072280, 43608420, 87216840]

約数ペア:

[(1, 87216840), (2, 43608420), (3, 29072280), (4, 21804210), (5, 17443368), (6, 14536140), (8, 10902105), (9, 9690760), (10, 8721684), (12, 7268070), (15, 5814456), (18, 4845380), (19, 4590360), (20, 4360842), (24, 3634035), (30, 2907228), (36, 2422690), (38, 2295180), (40, 2180421), (41, 2127240), (45, 1938152), (57, 1530120), (60, 1453614), (72, 1211345), (76, 1147590), (82, 1063620), (90, 969076), (95, 918072), (114, 765060), (120, 726807), (123, 709080), (152, 573795), (164, 531810), (171, 510040), (180, 484538), (190, 459036), (205, 425448), (228, 382530), (246, 354540), (285, 306024), (311, 280440), (328, 265905), (342, 255020), (360, 242269), (369, 236360), (380, 229518), (410, 212724), (456, 191265), (492, 177270), (570, 153012), (615, 141816), (622, 140220), (684, 127510), (738, 118180), (760, 114759), (779, 111960), (820, 106362), (855, 102008), (933, 93480), (984, 88635), (1140, 76506), (1230, 70908), (1244, 70110), (1368, 63755), (1476, 59090), (1555, 56088), (1558, 55980), (1640, 53181), (1710, 51004), (1845, 47272), (1866, 46740), (2280, 38253), (2337, 37320), (2460, 35454), (2488, 35055), (2799, 31160), (2952, 29545), (3110, 28044), (3116, 27990), (3420, 25502), (3690, 23636), (3732, 23370), (3895, 22392), (4665, 18696), (4674, 18660), (4920, 17727), (5598, 15580), (5909, 14760), (6220, 14022), (6232, 13995), (6840, 12751), (7011, 12440), (7380, 11818), (7464, 11685), (7790, 11196), (9330, 9348)]