644128848

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{15061}}^1$

素因数の和:15095

約数の個数: 120

約数和(自身を含む): 2039515296

約数和(自身を除く): 1395386448

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 432, 486, 528, 594, 648, 792, 891, 972, 1188, 1296, 1584, 1782, 1944, 2376, 2673, 3564, 3888, 4752, 5346, 7128, 10692, 14256, 15061, 21384, 30122, 42768, 45183, 60244, 90366, 120488, 135549, 165671, 180732, 240976, 271098, 331342, 361464, 406647, 497013, 542196, 662684, 722928, 813294, 994026, 1084392, 1219941, 1325368, 1491039, 1626588, 1988052, 2168784, 2439882, 2650736, 2982078, 3253176, 3659823, 3976104, 4473117, 4879764, 5964156, 6506352, 7319646, 7952208, 8946234, 9759528, 11928312, 13419351, 14639292, 17892468, 19519056, 23856624, 26838702, 29278584, 35784936, 40258053, 53677404, 58557168, 71569872, 80516106, 107354808, 161032212, 214709616, 322064424, 644128848]

約数ペア:

[(1, 644128848), (2, 322064424), (3, 214709616), (4, 161032212), (6, 107354808), (8, 80516106), (9, 71569872), (11, 58557168), (12, 53677404), (16, 40258053), (18, 35784936), (22, 29278584), (24, 26838702), (27, 23856624), (33, 19519056), (36, 17892468), (44, 14639292), (48, 13419351), (54, 11928312), (66, 9759528), (72, 8946234), (81, 7952208), (88, 7319646), (99, 6506352), (108, 5964156), (132, 4879764), (144, 4473117), (162, 3976104), (176, 3659823), (198, 3253176), (216, 2982078), (243, 2650736), (264, 2439882), (297, 2168784), (324, 1988052), (396, 1626588), (432, 1491039), (486, 1325368), (528, 1219941), (594, 1084392), (648, 994026), (792, 813294), (891, 722928), (972, 662684), (1188, 542196), (1296, 497013), (1584, 406647), (1782, 361464), (1944, 331342), (2376, 271098), (2673, 240976), (3564, 180732), (3888, 165671), (4752, 135549), (5346, 120488), (7128, 90366), (10692, 60244), (14256, 45183), (15061, 42768), (21384, 30122)]