65440980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 192

約数和(自身を含む): 232243200

約数和(自身を除く): 166802220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 90, 92, 99, 108, 110, 115, 132, 135, 138, 165, 180, 198, 207, 220, 230, 253, 270, 276, 297, 330, 345, 396, 414, 460, 479, 495, 506, 540, 594, 621, 660, 690, 759, 828, 958, 990, 1012, 1035, 1188, 1242, 1265, 1380, 1437, 1485, 1518, 1916, 1980, 2070, 2277, 2395, 2484, 2530, 2874, 2970, 3036, 3105, 3795, 4140, 4311, 4554, 4790, 5060, 5269, 5748, 5940, 6210, 6831, 7185, 7590, 8622, 9108, 9580, 10538, 11017, 11385, 12420, 12933, 13662, 14370, 15180, 15807, 17244, 21076, 21555, 22034, 22770, 25866, 26345, 27324, 28740, 31614, 33051, 34155, 43110, 44068, 45540, 47421, 51732, 52690, 55085, 63228, 64665, 66102, 68310, 79035, 86220, 94842, 99153, 105380, 110170, 121187, 129330, 132204, 136620, 142263, 158070, 165255, 189684, 198306, 220340, 237105, 242374, 258660, 284526, 297459, 316140, 330510, 363561, 396612, 474210, 484748, 495765, 569052, 594918, 605935, 661020, 711315, 727122, 948420, 991530, 1090683, 1189836, 1211870, 1422630, 1454244, 1487295, 1817805, 1983060, 2181366, 2423740, 2845260, 2974590, 3272049, 3635610, 4362732, 5453415, 5949180, 6544098, 7271220, 10906830, 13088196, 16360245, 21813660, 32720490, 65440980]

約数ペア:

[(1, 65440980), (2, 32720490), (3, 21813660), (4, 16360245), (5, 13088196), (6, 10906830), (9, 7271220), (10, 6544098), (11, 5949180), (12, 5453415), (15, 4362732), (18, 3635610), (20, 3272049), (22, 2974590), (23, 2845260), (27, 2423740), (30, 2181366), (33, 1983060), (36, 1817805), (44, 1487295), (45, 1454244), (46, 1422630), (54, 1211870), (55, 1189836), (60, 1090683), (66, 991530), (69, 948420), (90, 727122), (92, 711315), (99, 661020), (108, 605935), (110, 594918), (115, 569052), (132, 495765), (135, 484748), (138, 474210), (165, 396612), (180, 363561), (198, 330510), (207, 316140), (220, 297459), (230, 284526), (253, 258660), (270, 242374), (276, 237105), (297, 220340), (330, 198306), (345, 189684), (396, 165255), (414, 158070), (460, 142263), (479, 136620), (495, 132204), (506, 129330), (540, 121187), (594, 110170), (621, 105380), (660, 99153), (690, 94842), (759, 86220), (828, 79035), (958, 68310), (990, 66102), (1012, 64665), (1035, 63228), (1188, 55085), (1242, 52690), (1265, 51732), (1380, 47421), (1437, 45540), (1485, 44068), (1518, 43110), (1916, 34155), (1980, 33051), (2070, 31614), (2277, 28740), (2395, 27324), (2484, 26345), (2530, 25866), (2874, 22770), (2970, 22034), (3036, 21555), (3105, 21076), (3795, 17244), (4140, 15807), (4311, 15180), (4554, 14370), (4790, 13662), (5060, 12933), (5269, 12420), (5748, 11385), (5940, 11017), (6210, 10538), (6831, 9580), (7185, 9108), (7590, 8622)]