31648960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 112

約数和(自身を含む): 87782400

約数和(自身を除く): 56133440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 199, 224, 280, 284, 320, 355, 398, 448, 497, 560, 568, 710, 796, 994, 995, 1120, 1136, 1393, 1420, 1592, 1988, 1990, 2240, 2272, 2485, 2786, 2840, 3184, 3976, 3980, 4544, 4970, 5572, 5680, 6368, 6965, 7952, 7960, 9940, 11144, 11360, 12736, 13930, 14129, 15904, 15920, 19880, 22288, 22720, 27860, 28258, 31808, 31840, 39760, 44576, 55720, 56516, 63680, 70645, 79520, 89152, 98903, 111440, 113032, 141290, 159040, 197806, 222880, 226064, 282580, 395612, 445760, 452128, 494515, 565160, 791224, 904256, 989030, 1130320, 1582448, 1978060, 2260640, 3164896, 3956120, 4521280, 6329792, 7912240, 15824480, 31648960]

約数ペア:

[(1, 31648960), (2, 15824480), (4, 7912240), (5, 6329792), (7, 4521280), (8, 3956120), (10, 3164896), (14, 2260640), (16, 1978060), (20, 1582448), (28, 1130320), (32, 989030), (35, 904256), (40, 791224), (56, 565160), (64, 494515), (70, 452128), (71, 445760), (80, 395612), (112, 282580), (140, 226064), (142, 222880), (160, 197806), (199, 159040), (224, 141290), (280, 113032), (284, 111440), (320, 98903), (355, 89152), (398, 79520), (448, 70645), (497, 63680), (560, 56516), (568, 55720), (710, 44576), (796, 39760), (994, 31840), (995, 31808), (1120, 28258), (1136, 27860), (1393, 22720), (1420, 22288), (1592, 19880), (1988, 15920), (1990, 15904), (2240, 14129), (2272, 13930), (2485, 12736), (2786, 11360), (2840, 11144), (3184, 9940), (3976, 7960), (3980, 7952), (4544, 6965), (4970, 6368), (5572, 5680)]