69717760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 197793792

約数和(自身を除く): 128076032

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, 128, 140, 155, 160, 217, 224, 248, 251, 256, 280, 310, 320, 434, 448, 496, 502, 560, 620, 640, 868, 896, 992, 1004, 1085, 1120, 1240, 1255, 1280, 1736, 1757, 1792, 1984, 2008, 2170, 2240, 2480, 2510, 3472, 3514, 3968, 4016, 4340, 4480, 4960, 5020, 6944, 7028, 7781, 7936, 8032, 8680, 8785, 8960, 9920, 10040, 13888, 14056, 15562, 16064, 17360, 17570, 19840, 20080, 27776, 28112, 31124, 32128, 34720, 35140, 38905, 39680, 40160, 54467, 55552, 56224, 62248, 64256, 69440, 70280, 77810, 80320, 108934, 112448, 124496, 138880, 140560, 155620, 160640, 217868, 224896, 248992, 272335, 277760, 281120, 311240, 321280, 435736, 449792, 497984, 544670, 562240, 622480, 871472, 995968, 1089340, 1124480, 1244960, 1742944, 1991936, 2178680, 2248960, 2489920, 3485888, 4357360, 4979840, 6971776, 8714720, 9959680, 13943552, 17429440, 34858880, 69717760]

約数ペア:

[(1, 69717760), (2, 34858880), (4, 17429440), (5, 13943552), (7, 9959680), (8, 8714720), (10, 6971776), (14, 4979840), (16, 4357360), (20, 3485888), (28, 2489920), (31, 2248960), (32, 2178680), (35, 1991936), (40, 1742944), (56, 1244960), (62, 1124480), (64, 1089340), (70, 995968), (80, 871472), (112, 622480), (124, 562240), (128, 544670), (140, 497984), (155, 449792), (160, 435736), (217, 321280), (224, 311240), (248, 281120), (251, 277760), (256, 272335), (280, 248992), (310, 224896), (320, 217868), (434, 160640), (448, 155620), (496, 140560), (502, 138880), (560, 124496), (620, 112448), (640, 108934), (868, 80320), (896, 77810), (992, 70280), (1004, 69440), (1085, 64256), (1120, 62248), (1240, 56224), (1255, 55552), (1280, 54467), (1736, 40160), (1757, 39680), (1792, 38905), (1984, 35140), (2008, 34720), (2170, 32128), (2240, 31124), (2480, 28112), (2510, 27776), (3472, 20080), (3514, 19840), (3968, 17570), (4016, 17360), (4340, 16064), (4480, 15562), (4960, 14056), (5020, 13888), (6944, 10040), (7028, 9920), (7781, 8960), (7936, 8785), (8032, 8680)]