65879880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1775

約数の個数: 128

約数和(自身を含む): 223171200

約数和(自身を除く): 157291320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1721, 1740, 1914, 2552, 3190, 3442, 3480, 3828, 4785, 5163, 6380, 6884, 7656, 8605, 9570, 10326, 12760, 13768, 17210, 18931, 19140, 20652, 25815, 34420, 37862, 38280, 41304, 49909, 51630, 56793, 68840, 75724, 94655, 99818, 103260, 113586, 149727, 151448, 189310, 199636, 206520, 227172, 249545, 283965, 299454, 378620, 399272, 454344, 499090, 548999, 567930, 598908, 748635, 757240, 998180, 1097998, 1135860, 1197816, 1497270, 1646997, 1996360, 2195996, 2271720, 2744995, 2994540, 3293994, 4391992, 5489990, 5989080, 6587988, 8234985, 10979980, 13175976, 16469970, 21959960, 32939940, 65879880]

約数ペア:

[(1, 65879880), (2, 32939940), (3, 21959960), (4, 16469970), (5, 13175976), (6, 10979980), (8, 8234985), (10, 6587988), (11, 5989080), (12, 5489990), (15, 4391992), (20, 3293994), (22, 2994540), (24, 2744995), (29, 2271720), (30, 2195996), (33, 1996360), (40, 1646997), (44, 1497270), (55, 1197816), (58, 1135860), (60, 1097998), (66, 998180), (87, 757240), (88, 748635), (110, 598908), (116, 567930), (120, 548999), (132, 499090), (145, 454344), (165, 399272), (174, 378620), (220, 299454), (232, 283965), (264, 249545), (290, 227172), (319, 206520), (330, 199636), (348, 189310), (435, 151448), (440, 149727), (580, 113586), (638, 103260), (660, 99818), (696, 94655), (870, 75724), (957, 68840), (1160, 56793), (1276, 51630), (1320, 49909), (1595, 41304), (1721, 38280), (1740, 37862), (1914, 34420), (2552, 25815), (3190, 20652), (3442, 19140), (3480, 18931), (3828, 17210), (4785, 13768), (5163, 12760), (6380, 10326), (6884, 9570), (7656, 8605)]