64813560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 256

約数和(自身を含む): 243302400

約数和(自身を除く): 178488840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 131, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 262, 266, 280, 285, 310, 372, 380, 393, 399, 420, 434, 456, 465, 524, 532, 570, 589, 620, 651, 655, 665, 744, 760, 786, 798, 840, 868, 917, 930, 1048, 1064, 1085, 1140, 1178, 1240, 1302, 1310, 1330, 1572, 1596, 1736, 1767, 1834, 1860, 1965, 1995, 2170, 2280, 2356, 2489, 2604, 2620, 2660, 2751, 2945, 3144, 3192, 3255, 3534, 3668, 3720, 3930, 3990, 4061, 4123, 4340, 4585, 4712, 4978, 5208, 5240, 5320, 5502, 5890, 6510, 7068, 7336, 7467, 7860, 7980, 8122, 8246, 8680, 8835, 9170, 9956, 11004, 11780, 12183, 12369, 12445, 13020, 13755, 14136, 14934, 15720, 15960, 16244, 16492, 17423, 17670, 18340, 19912, 20305, 20615, 22008, 23560, 24366, 24738, 24890, 26040, 27510, 28427, 29868, 32488, 32984, 34846, 35340, 36680, 37335, 40610, 41230, 48732, 49476, 49780, 52269, 55020, 56854, 59736, 60915, 61845, 69692, 70680, 74670, 77159, 81220, 82460, 85281, 87115, 97464, 98952, 99560, 104538, 110040, 113708, 121830, 123690, 139384, 142135, 149340, 154318, 162440, 164920, 170562, 174230, 209076, 227416, 231477, 243660, 247380, 261345, 284270, 298680, 308636, 341124, 348460, 385795, 418152, 426405, 462954, 487320, 494760, 522690, 540113, 568540, 617272, 682248, 696920, 771590, 852810, 925908, 1045380, 1080226, 1137080, 1157385, 1543180, 1620339, 1705620, 1851816, 2090760, 2160452, 2314770, 2700565, 3086360, 3240678, 3411240, 4320904, 4629540, 5401130, 6481356, 8101695, 9259080, 10802260, 12962712, 16203390, 21604520, 32406780, 64813560]

約数ペア:

[(1, 64813560), (2, 32406780), (3, 21604520), (4, 16203390), (5, 12962712), (6, 10802260), (7, 9259080), (8, 8101695), (10, 6481356), (12, 5401130), (14, 4629540), (15, 4320904), (19, 3411240), (20, 3240678), (21, 3086360), (24, 2700565), (28, 2314770), (30, 2160452), (31, 2090760), (35, 1851816), (38, 1705620), (40, 1620339), (42, 1543180), (56, 1157385), (57, 1137080), (60, 1080226), (62, 1045380), (70, 925908), (76, 852810), (84, 771590), (93, 696920), (95, 682248), (105, 617272), (114, 568540), (120, 540113), (124, 522690), (131, 494760), (133, 487320), (140, 462954), (152, 426405), (155, 418152), (168, 385795), (186, 348460), (190, 341124), (210, 308636), (217, 298680), (228, 284270), (248, 261345), (262, 247380), (266, 243660), (280, 231477), (285, 227416), (310, 209076), (372, 174230), (380, 170562), (393, 164920), (399, 162440), (420, 154318), (434, 149340), (456, 142135), (465, 139384), (524, 123690), (532, 121830), (570, 113708), (589, 110040), (620, 104538), (651, 99560), (655, 98952), (665, 97464), (744, 87115), (760, 85281), (786, 82460), (798, 81220), (840, 77159), (868, 74670), (917, 70680), (930, 69692), (1048, 61845), (1064, 60915), (1085, 59736), (1140, 56854), (1178, 55020), (1240, 52269), (1302, 49780), (1310, 49476), (1330, 48732), (1572, 41230), (1596, 40610), (1736, 37335), (1767, 36680), (1834, 35340), (1860, 34846), (1965, 32984), (1995, 32488), (2170, 29868), (2280, 28427), (2356, 27510), (2489, 26040), (2604, 24890), (2620, 24738), (2660, 24366), (2751, 23560), (2945, 22008), (3144, 20615), (3192, 20305), (3255, 19912), (3534, 18340), (3668, 17670), (3720, 17423), (3930, 16492), (3990, 16244), (4061, 15960), (4123, 15720), (4340, 14934), (4585, 14136), (4712, 13755), (4978, 13020), (5208, 12445), (5240, 12369), (5320, 12183), (5502, 11780), (5890, 11004), (6510, 9956), (7068, 9170), (7336, 8835), (7467, 8680), (7860, 8246), (7980, 8122)]