15705200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 120

約数和(自身を含む): 44282880

約数和(自身を除く): 28577680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 71, 79, 80, 100, 112, 140, 142, 158, 175, 200, 280, 284, 316, 350, 355, 395, 400, 497, 553, 560, 568, 632, 700, 710, 790, 994, 1106, 1136, 1264, 1400, 1420, 1580, 1775, 1975, 1988, 2212, 2485, 2765, 2800, 2840, 3160, 3550, 3950, 3976, 4424, 4970, 5530, 5609, 5680, 6320, 7100, 7900, 7952, 8848, 9940, 11060, 11218, 12425, 13825, 14200, 15800, 19880, 22120, 22436, 24850, 27650, 28045, 28400, 31600, 39263, 39760, 44240, 44872, 49700, 55300, 56090, 78526, 89744, 99400, 110600, 112180, 140225, 157052, 196315, 198800, 221200, 224360, 280450, 314104, 392630, 448720, 560900, 628208, 785260, 981575, 1121800, 1570520, 1963150, 2243600, 3141040, 3926300, 7852600, 15705200]

約数ペア:

[(1, 15705200), (2, 7852600), (4, 3926300), (5, 3141040), (7, 2243600), (8, 1963150), (10, 1570520), (14, 1121800), (16, 981575), (20, 785260), (25, 628208), (28, 560900), (35, 448720), (40, 392630), (50, 314104), (56, 280450), (70, 224360), (71, 221200), (79, 198800), (80, 196315), (100, 157052), (112, 140225), (140, 112180), (142, 110600), (158, 99400), (175, 89744), (200, 78526), (280, 56090), (284, 55300), (316, 49700), (350, 44872), (355, 44240), (395, 39760), (400, 39263), (497, 31600), (553, 28400), (560, 28045), (568, 27650), (632, 24850), (700, 22436), (710, 22120), (790, 19880), (994, 15800), (1106, 14200), (1136, 13825), (1264, 12425), (1400, 11218), (1420, 11060), (1580, 9940), (1775, 8848), (1975, 7952), (1988, 7900), (2212, 7100), (2485, 6320), (2765, 5680), (2800, 5609), (2840, 5530), (3160, 4970), (3550, 4424), (3950, 3976)]