64101240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 256

約数和(自身を含む): 249984000

約数和(自身を除く): 185882760

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, 61, 63, 70, 72, 84, 90, 105, 108, 120, 122, 126, 135, 139, 140, 168, 180, 183, 189, 210, 216, 244, 252, 270, 278, 280, 305, 315, 360, 366, 378, 417, 420, 427, 488, 504, 540, 549, 556, 610, 630, 695, 732, 756, 834, 840, 854, 915, 945, 973, 1080, 1098, 1112, 1220, 1251, 1260, 1281, 1390, 1464, 1512, 1647, 1668, 1708, 1830, 1890, 1946, 2085, 2135, 2196, 2440, 2502, 2520, 2562, 2745, 2780, 2919, 3294, 3336, 3416, 3660, 3753, 3780, 3843, 3892, 4170, 4270, 4392, 4865, 5004, 5124, 5490, 5560, 5838, 6255, 6405, 6588, 7320, 7506, 7560, 7686, 7784, 8235, 8340, 8479, 8540, 8757, 9730, 10008, 10248, 10980, 11529, 11676, 12510, 12810, 13176, 14595, 15012, 15372, 16470, 16680, 16958, 17080, 17514, 18765, 19215, 19460, 21960, 23058, 23352, 25020, 25437, 25620, 26271, 29190, 30024, 30744, 32940, 33916, 35028, 37530, 38430, 38920, 42395, 43785, 46116, 50040, 50874, 51240, 52542, 57645, 58380, 59353, 65880, 67832, 70056, 75060, 76311, 76860, 84790, 87570, 92232, 101748, 105084, 115290, 116760, 118706, 127185, 131355, 150120, 152622, 153720, 169580, 175140, 178059, 203496, 210168, 228933, 230580, 237412, 254370, 262710, 296765, 305244, 339160, 350280, 356118, 381555, 457866, 461160, 474824, 508740, 525420, 534177, 593530, 610488, 712236, 763110, 890295, 915732, 1017480, 1050840, 1068354, 1144665, 1187060, 1424472, 1526220, 1602531, 1780590, 1831464, 2136708, 2289330, 2374120, 2670885, 3052440, 3205062, 3561180, 4273416, 4578660, 5341770, 6410124, 7122360, 8012655, 9157320, 10683540, 12820248, 16025310, 21367080, 32050620, 64101240]

約数ペア:

[(1, 64101240), (2, 32050620), (3, 21367080), (4, 16025310), (5, 12820248), (6, 10683540), (7, 9157320), (8, 8012655), (9, 7122360), (10, 6410124), (12, 5341770), (14, 4578660), (15, 4273416), (18, 3561180), (20, 3205062), (21, 3052440), (24, 2670885), (27, 2374120), (28, 2289330), (30, 2136708), (35, 1831464), (36, 1780590), (40, 1602531), (42, 1526220), (45, 1424472), (54, 1187060), (56, 1144665), (60, 1068354), (61, 1050840), (63, 1017480), (70, 915732), (72, 890295), (84, 763110), (90, 712236), (105, 610488), (108, 593530), (120, 534177), (122, 525420), (126, 508740), (135, 474824), (139, 461160), (140, 457866), (168, 381555), (180, 356118), (183, 350280), (189, 339160), (210, 305244), (216, 296765), (244, 262710), (252, 254370), (270, 237412), (278, 230580), (280, 228933), (305, 210168), (315, 203496), (360, 178059), (366, 175140), (378, 169580), (417, 153720), (420, 152622), (427, 150120), (488, 131355), (504, 127185), (540, 118706), (549, 116760), (556, 115290), (610, 105084), (630, 101748), (695, 92232), (732, 87570), (756, 84790), (834, 76860), (840, 76311), (854, 75060), (915, 70056), (945, 67832), (973, 65880), (1080, 59353), (1098, 58380), (1112, 57645), (1220, 52542), (1251, 51240), (1260, 50874), (1281, 50040), (1390, 46116), (1464, 43785), (1512, 42395), (1647, 38920), (1668, 38430), (1708, 37530), (1830, 35028), (1890, 33916), (1946, 32940), (2085, 30744), (2135, 30024), (2196, 29190), (2440, 26271), (2502, 25620), (2520, 25437), (2562, 25020), (2745, 23352), (2780, 23058), (2919, 21960), (3294, 19460), (3336, 19215), (3416, 18765), (3660, 17514), (3753, 17080), (3780, 16958), (3843, 16680), (3892, 16470), (4170, 15372), (4270, 15012), (4392, 14595), (4865, 13176), (5004, 12810), (5124, 12510), (5490, 11676), (5560, 11529), (5838, 10980), (6255, 10248), (6405, 10008), (6588, 9730), (7320, 8757), (7506, 8540), (7560, 8479), (7686, 8340), (7784, 8235)]