65206560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 222735744

約数和(自身を除く): 157529184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 61, 68, 80, 85, 96, 102, 120, 122, 131, 136, 160, 170, 183, 204, 240, 244, 255, 262, 272, 305, 340, 366, 393, 408, 480, 488, 510, 524, 544, 610, 655, 680, 732, 786, 816, 915, 976, 1020, 1037, 1048, 1220, 1310, 1360, 1464, 1572, 1632, 1830, 1952, 1965, 2040, 2074, 2096, 2227, 2440, 2620, 2720, 2928, 3111, 3144, 3660, 3930, 4080, 4148, 4192, 4454, 4880, 5185, 5240, 5856, 6222, 6288, 6681, 7320, 7860, 7991, 8160, 8296, 8908, 9760, 10370, 10480, 11135, 12444, 12576, 13362, 14640, 15555, 15720, 15982, 16592, 17816, 20740, 20960, 22270, 23973, 24888, 26724, 29280, 31110, 31440, 31964, 33184, 33405, 35632, 39955, 41480, 44540, 47946, 49776, 53448, 62220, 62880, 63928, 66810, 71264, 79910, 82960, 89080, 95892, 99552, 106896, 119865, 124440, 127856, 133620, 135847, 159820, 165920, 178160, 191784, 213792, 239730, 248880, 255712, 267240, 271694, 319640, 356320, 383568, 407541, 479460, 497760, 534480, 543388, 639280, 679235, 767136, 815082, 958920, 1068960, 1086776, 1278560, 1358470, 1630164, 1917840, 2037705, 2173552, 2716940, 3260328, 3835680, 4075410, 4347104, 5433880, 6520656, 8150820, 10867760, 13041312, 16301640, 21735520, 32603280, 65206560]

約数ペア:

[(1, 65206560), (2, 32603280), (3, 21735520), (4, 16301640), (5, 13041312), (6, 10867760), (8, 8150820), (10, 6520656), (12, 5433880), (15, 4347104), (16, 4075410), (17, 3835680), (20, 3260328), (24, 2716940), (30, 2173552), (32, 2037705), (34, 1917840), (40, 1630164), (48, 1358470), (51, 1278560), (60, 1086776), (61, 1068960), (68, 958920), (80, 815082), (85, 767136), (96, 679235), (102, 639280), (120, 543388), (122, 534480), (131, 497760), (136, 479460), (160, 407541), (170, 383568), (183, 356320), (204, 319640), (240, 271694), (244, 267240), (255, 255712), (262, 248880), (272, 239730), (305, 213792), (340, 191784), (366, 178160), (393, 165920), (408, 159820), (480, 135847), (488, 133620), (510, 127856), (524, 124440), (544, 119865), (610, 106896), (655, 99552), (680, 95892), (732, 89080), (786, 82960), (816, 79910), (915, 71264), (976, 66810), (1020, 63928), (1037, 62880), (1048, 62220), (1220, 53448), (1310, 49776), (1360, 47946), (1464, 44540), (1572, 41480), (1632, 39955), (1830, 35632), (1952, 33405), (1965, 33184), (2040, 31964), (2074, 31440), (2096, 31110), (2227, 29280), (2440, 26724), (2620, 24888), (2720, 23973), (2928, 22270), (3111, 20960), (3144, 20740), (3660, 17816), (3930, 16592), (4080, 15982), (4148, 15720), (4192, 15555), (4454, 14640), (4880, 13362), (5185, 12576), (5240, 12444), (5856, 11135), (6222, 10480), (6288, 10370), (6681, 9760), (7320, 8908), (7860, 8296), (7991, 8160)]