313639480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1397

約数の個数: 128

約数和(自身を含む): 891648000

約数和(自身を除く): 578008520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 280, 308, 316, 385, 395, 440, 553, 616, 632, 770, 790, 869, 1106, 1289, 1540, 1580, 1738, 2212, 2578, 2765, 3080, 3160, 3476, 4345, 4424, 5156, 5530, 6083, 6445, 6952, 8690, 9023, 10312, 11060, 12166, 12890, 14179, 17380, 18046, 22120, 24332, 25780, 28358, 30415, 34760, 36092, 45115, 48664, 51560, 56716, 60830, 70895, 72184, 90230, 99253, 101831, 113432, 121660, 141790, 180460, 198506, 203662, 243320, 283580, 360920, 397012, 407324, 496265, 509155, 567160, 712817, 794024, 814648, 992530, 1018310, 1120141, 1425634, 1985060, 2036620, 2240282, 2851268, 3564085, 3970120, 4073240, 4480564, 5600705, 5702536, 7128170, 7840987, 8961128, 11201410, 14256340, 15681974, 22402820, 28512680, 31363948, 39204935, 44805640, 62727896, 78409870, 156819740, 313639480]

約数ペア:

[(1, 313639480), (2, 156819740), (4, 78409870), (5, 62727896), (7, 44805640), (8, 39204935), (10, 31363948), (11, 28512680), (14, 22402820), (20, 15681974), (22, 14256340), (28, 11201410), (35, 8961128), (40, 7840987), (44, 7128170), (55, 5702536), (56, 5600705), (70, 4480564), (77, 4073240), (79, 3970120), (88, 3564085), (110, 2851268), (140, 2240282), (154, 2036620), (158, 1985060), (220, 1425634), (280, 1120141), (308, 1018310), (316, 992530), (385, 814648), (395, 794024), (440, 712817), (553, 567160), (616, 509155), (632, 496265), (770, 407324), (790, 397012), (869, 360920), (1106, 283580), (1289, 243320), (1540, 203662), (1580, 198506), (1738, 180460), (2212, 141790), (2578, 121660), (2765, 113432), (3080, 101831), (3160, 99253), (3476, 90230), (4345, 72184), (4424, 70895), (5156, 60830), (5530, 56716), (6083, 51560), (6445, 48664), (6952, 45115), (8690, 36092), (9023, 34760), (10312, 30415), (11060, 28358), (12166, 25780), (12890, 24332), (14179, 22120), (17380, 18046)]