90045760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:744

約数の個数: 112

約数和(自身を含む): 249448320

約数和(自身を除く): 159402560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 659, 854, 976, 1120, 1220, 1318, 1708, 1952, 2135, 2240, 2440, 2636, 3295, 3416, 3904, 4270, 4613, 4880, 5272, 6590, 6832, 8540, 9226, 9760, 10544, 13180, 13664, 17080, 18452, 19520, 21088, 23065, 26360, 27328, 34160, 36904, 40199, 42176, 46130, 52720, 68320, 73808, 80398, 92260, 105440, 136640, 147616, 160796, 184520, 200995, 210880, 281393, 295232, 321592, 369040, 401990, 562786, 643184, 738080, 803980, 1125572, 1286368, 1406965, 1476160, 1607960, 2251144, 2572736, 2813930, 3215920, 4502288, 5627860, 6431840, 9004576, 11255720, 12863680, 18009152, 22511440, 45022880, 90045760]

約数ペア:

[(1, 90045760), (2, 45022880), (4, 22511440), (5, 18009152), (7, 12863680), (8, 11255720), (10, 9004576), (14, 6431840), (16, 5627860), (20, 4502288), (28, 3215920), (32, 2813930), (35, 2572736), (40, 2251144), (56, 1607960), (61, 1476160), (64, 1406965), (70, 1286368), (80, 1125572), (112, 803980), (122, 738080), (140, 643184), (160, 562786), (224, 401990), (244, 369040), (280, 321592), (305, 295232), (320, 281393), (427, 210880), (448, 200995), (488, 184520), (560, 160796), (610, 147616), (659, 136640), (854, 105440), (976, 92260), (1120, 80398), (1220, 73808), (1318, 68320), (1708, 52720), (1952, 46130), (2135, 42176), (2240, 40199), (2440, 36904), (2636, 34160), (3295, 27328), (3416, 26360), (3904, 23065), (4270, 21088), (4613, 19520), (4880, 18452), (5272, 17080), (6590, 13664), (6832, 13180), (8540, 10544), (9226, 9760)]