215888960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3164

約数の個数: 112

約数和(自身を含む): 606673920

約数和(自身を除く): 390784960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3109, 3472, 4340, 4960, 6218, 6944, 8680, 9920, 12436, 13888, 15545, 17360, 21763, 24872, 31090, 34720, 43526, 49744, 62180, 69440, 87052, 96379, 99488, 108815, 124360, 174104, 192758, 198976, 217630, 248720, 348208, 385516, 435260, 481895, 497440, 674653, 696416, 771032, 870520, 963790, 994880, 1349306, 1392832, 1542064, 1741040, 1927580, 2698612, 3084128, 3373265, 3482080, 3855160, 5397224, 6168256, 6746530, 6964160, 7710320, 10794448, 13493060, 15420640, 21588896, 26986120, 30841280, 43177792, 53972240, 107944480, 215888960]

約数ペア:

[(1, 215888960), (2, 107944480), (4, 53972240), (5, 43177792), (7, 30841280), (8, 26986120), (10, 21588896), (14, 15420640), (16, 13493060), (20, 10794448), (28, 7710320), (31, 6964160), (32, 6746530), (35, 6168256), (40, 5397224), (56, 3855160), (62, 3482080), (64, 3373265), (70, 3084128), (80, 2698612), (112, 1927580), (124, 1741040), (140, 1542064), (155, 1392832), (160, 1349306), (217, 994880), (224, 963790), (248, 870520), (280, 771032), (310, 696416), (320, 674653), (434, 497440), (448, 481895), (496, 435260), (560, 385516), (620, 348208), (868, 248720), (992, 217630), (1085, 198976), (1120, 192758), (1240, 174104), (1736, 124360), (1984, 108815), (2170, 99488), (2240, 96379), (2480, 87052), (3109, 69440), (3472, 62180), (4340, 49744), (4960, 43526), (6218, 34720), (6944, 31090), (8680, 24872), (9920, 21763), (12436, 17360), (13888, 15545)]