77729680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 213736320

約数和(自身を除く): 136006640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 251, 280, 316, 392, 395, 490, 502, 553, 560, 632, 784, 790, 980, 1004, 1106, 1255, 1264, 1580, 1757, 1960, 2008, 2212, 2510, 2765, 3160, 3514, 3871, 3920, 4016, 4424, 5020, 5530, 6320, 7028, 7742, 8785, 8848, 10040, 11060, 12299, 14056, 15484, 17570, 19355, 19829, 20080, 22120, 24598, 28112, 30968, 35140, 38710, 39658, 44240, 49196, 61495, 61936, 70280, 77420, 79316, 98392, 99145, 122990, 138803, 140560, 154840, 158632, 196784, 198290, 245980, 277606, 309680, 317264, 396580, 491960, 555212, 694015, 793160, 971621, 983920, 1110424, 1388030, 1586320, 1943242, 2220848, 2776060, 3886484, 4858105, 5552120, 7772968, 9716210, 11104240, 15545936, 19432420, 38864840, 77729680]

約数ペア:

[(1, 77729680), (2, 38864840), (4, 19432420), (5, 15545936), (7, 11104240), (8, 9716210), (10, 7772968), (14, 5552120), (16, 4858105), (20, 3886484), (28, 2776060), (35, 2220848), (40, 1943242), (49, 1586320), (56, 1388030), (70, 1110424), (79, 983920), (80, 971621), (98, 793160), (112, 694015), (140, 555212), (158, 491960), (196, 396580), (245, 317264), (251, 309680), (280, 277606), (316, 245980), (392, 198290), (395, 196784), (490, 158632), (502, 154840), (553, 140560), (560, 138803), (632, 122990), (784, 99145), (790, 98392), (980, 79316), (1004, 77420), (1106, 70280), (1255, 61936), (1264, 61495), (1580, 49196), (1757, 44240), (1960, 39658), (2008, 38710), (2212, 35140), (2510, 30968), (2765, 28112), (3160, 24598), (3514, 22120), (3871, 20080), (3920, 19829), (4016, 19355), (4424, 17570), (5020, 15484), (5530, 14056), (6320, 12299), (7028, 11060), (7742, 10040), (8785, 8848)]