78957900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 216

約数和(自身を含む): 288148224

約数和(自身を除く): 209190324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 83, 84, 90, 100, 105, 126, 140, 150, 151, 166, 175, 180, 210, 225, 249, 252, 300, 302, 315, 332, 350, 415, 420, 450, 453, 498, 525, 581, 604, 630, 700, 747, 755, 830, 900, 906, 996, 1050, 1057, 1162, 1245, 1260, 1359, 1494, 1510, 1575, 1660, 1743, 1812, 2075, 2100, 2114, 2265, 2324, 2490, 2718, 2905, 2988, 3020, 3150, 3171, 3486, 3735, 3775, 4150, 4228, 4530, 4980, 5229, 5285, 5436, 5810, 6225, 6300, 6342, 6795, 6972, 7470, 7550, 8300, 8715, 9060, 9513, 10458, 10570, 11325, 11620, 12450, 12533, 12684, 13590, 14525, 14940, 15100, 15855, 17430, 18675, 19026, 20916, 21140, 22650, 24900, 25066, 26145, 26425, 27180, 29050, 31710, 33975, 34860, 37350, 37599, 38052, 43575, 45300, 47565, 50132, 52290, 52850, 58100, 62665, 63420, 67950, 74700, 75198, 79275, 87150, 87731, 95130, 104580, 105700, 112797, 125330, 130725, 135900, 150396, 158550, 174300, 175462, 187995, 190260, 225594, 237825, 250660, 261450, 263193, 313325, 317100, 350924, 375990, 438655, 451188, 475650, 522900, 526386, 563985, 626650, 751980, 789579, 877310, 939975, 951300, 1052772, 1127970, 1253300, 1315965, 1579158, 1754620, 1879950, 2193275, 2255940, 2631930, 2819925, 3158316, 3759900, 3947895, 4386550, 5263860, 5639850, 6579825, 7895790, 8773100, 11279700, 13159650, 15791580, 19739475, 26319300, 39478950, 78957900]

約数ペア:

[(1, 78957900), (2, 39478950), (3, 26319300), (4, 19739475), (5, 15791580), (6, 13159650), (7, 11279700), (9, 8773100), (10, 7895790), (12, 6579825), (14, 5639850), (15, 5263860), (18, 4386550), (20, 3947895), (21, 3759900), (25, 3158316), (28, 2819925), (30, 2631930), (35, 2255940), (36, 2193275), (42, 1879950), (45, 1754620), (50, 1579158), (60, 1315965), (63, 1253300), (70, 1127970), (75, 1052772), (83, 951300), (84, 939975), (90, 877310), (100, 789579), (105, 751980), (126, 626650), (140, 563985), (150, 526386), (151, 522900), (166, 475650), (175, 451188), (180, 438655), (210, 375990), (225, 350924), (249, 317100), (252, 313325), (300, 263193), (302, 261450), (315, 250660), (332, 237825), (350, 225594), (415, 190260), (420, 187995), (450, 175462), (453, 174300), (498, 158550), (525, 150396), (581, 135900), (604, 130725), (630, 125330), (700, 112797), (747, 105700), (755, 104580), (830, 95130), (900, 87731), (906, 87150), (996, 79275), (1050, 75198), (1057, 74700), (1162, 67950), (1245, 63420), (1260, 62665), (1359, 58100), (1494, 52850), (1510, 52290), (1575, 50132), (1660, 47565), (1743, 45300), (1812, 43575), (2075, 38052), (2100, 37599), (2114, 37350), (2265, 34860), (2324, 33975), (2490, 31710), (2718, 29050), (2905, 27180), (2988, 26425), (3020, 26145), (3150, 25066), (3171, 24900), (3486, 22650), (3735, 21140), (3775, 20916), (4150, 19026), (4228, 18675), (4530, 17430), (4980, 15855), (5229, 15100), (5285, 14940), (5436, 14525), (5810, 13590), (6225, 12684), (6300, 12533), (6342, 12450), (6795, 11620), (6972, 11325), (7470, 10570), (7550, 10458), (8300, 9513), (8715, 9060)]