81550560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1867}}^1$

素因数の和:1905

約数の個数: 192

約数和(自身を含む): 316334592

約数和(自身を除く): 234784032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 1867, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 3734, 4368, 5460, 5601, 6240, 7280, 7468, 8736, 9335, 10920, 11202, 13069, 14560, 14936, 18670, 21840, 22404, 24271, 26138, 28005, 29872, 37340, 39207, 43680, 44808, 48542, 52276, 56010, 59744, 65345, 72813, 74680, 78414, 89616, 97084, 104552, 112020, 121355, 130690, 145626, 149360, 156828, 169897, 179232, 194168, 196035, 209104, 224040, 242710, 261380, 291252, 298720, 313656, 339794, 364065, 388336, 392070, 418208, 448080, 485420, 509691, 522760, 582504, 627312, 679588, 728130, 776672, 784140, 849485, 896160, 970840, 1019382, 1045520, 1165008, 1254624, 1359176, 1456260, 1568280, 1698970, 1941680, 2038764, 2091040, 2330016, 2548455, 2718352, 2912520, 3136560, 3397940, 3883360, 4077528, 5096910, 5436704, 5825040, 6273120, 6795880, 8155056, 10193820, 11650080, 13591760, 16310112, 20387640, 27183520, 40775280, 81550560]

約数ペア:

[(1, 81550560), (2, 40775280), (3, 27183520), (4, 20387640), (5, 16310112), (6, 13591760), (7, 11650080), (8, 10193820), (10, 8155056), (12, 6795880), (13, 6273120), (14, 5825040), (15, 5436704), (16, 5096910), (20, 4077528), (21, 3883360), (24, 3397940), (26, 3136560), (28, 2912520), (30, 2718352), (32, 2548455), (35, 2330016), (39, 2091040), (40, 2038764), (42, 1941680), (48, 1698970), (52, 1568280), (56, 1456260), (60, 1359176), (65, 1254624), (70, 1165008), (78, 1045520), (80, 1019382), (84, 970840), (91, 896160), (96, 849485), (104, 784140), (105, 776672), (112, 728130), (120, 679588), (130, 627312), (140, 582504), (156, 522760), (160, 509691), (168, 485420), (182, 448080), (195, 418208), (208, 392070), (210, 388336), (224, 364065), (240, 339794), (260, 313656), (273, 298720), (280, 291252), (312, 261380), (336, 242710), (364, 224040), (390, 209104), (416, 196035), (420, 194168), (455, 179232), (480, 169897), (520, 156828), (546, 149360), (560, 145626), (624, 130690), (672, 121355), (728, 112020), (780, 104552), (840, 97084), (910, 89616), (1040, 78414), (1092, 74680), (1120, 72813), (1248, 65345), (1365, 59744), (1456, 56010), (1560, 52276), (1680, 48542), (1820, 44808), (1867, 43680), (2080, 39207), (2184, 37340), (2730, 29872), (2912, 28005), (3120, 26138), (3360, 24271), (3640, 22404), (3734, 21840), (4368, 18670), (5460, 14936), (5601, 14560), (6240, 13069), (7280, 11202), (7468, 10920), (8736, 9335)]