65655520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 186175584

約数和(自身を除く): 120520064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 140, 155, 160, 217, 224, 244, 248, 280, 305, 310, 427, 434, 488, 496, 560, 610, 620, 854, 868, 961, 976, 992, 1085, 1120, 1220, 1240, 1708, 1736, 1891, 1922, 1952, 2135, 2170, 2440, 2480, 3416, 3472, 3782, 3844, 4270, 4340, 4805, 4880, 4960, 6727, 6832, 6944, 7564, 7688, 8540, 8680, 9455, 9610, 9760, 13237, 13454, 13664, 15128, 15376, 17080, 17360, 18910, 19220, 26474, 26908, 30256, 30752, 33635, 34160, 34720, 37820, 38440, 52948, 53816, 58621, 60512, 66185, 67270, 68320, 75640, 76880, 105896, 107632, 117242, 132370, 134540, 151280, 153760, 211792, 215264, 234484, 264740, 269080, 293105, 302560, 410347, 423584, 468968, 529480, 538160, 586210, 820694, 937936, 1058960, 1076320, 1172420, 1641388, 1875872, 2051735, 2117920, 2344840, 3282776, 4103470, 4689680, 6565552, 8206940, 9379360, 13131104, 16413880, 32827760, 65655520]

約数ペア:

[(1, 65655520), (2, 32827760), (4, 16413880), (5, 13131104), (7, 9379360), (8, 8206940), (10, 6565552), (14, 4689680), (16, 4103470), (20, 3282776), (28, 2344840), (31, 2117920), (32, 2051735), (35, 1875872), (40, 1641388), (56, 1172420), (61, 1076320), (62, 1058960), (70, 937936), (80, 820694), (112, 586210), (122, 538160), (124, 529480), (140, 468968), (155, 423584), (160, 410347), (217, 302560), (224, 293105), (244, 269080), (248, 264740), (280, 234484), (305, 215264), (310, 211792), (427, 153760), (434, 151280), (488, 134540), (496, 132370), (560, 117242), (610, 107632), (620, 105896), (854, 76880), (868, 75640), (961, 68320), (976, 67270), (992, 66185), (1085, 60512), (1120, 58621), (1220, 53816), (1240, 52948), (1708, 38440), (1736, 37820), (1891, 34720), (1922, 34160), (1952, 33635), (2135, 30752), (2170, 30256), (2440, 26908), (2480, 26474), (3416, 19220), (3472, 18910), (3782, 17360), (3844, 17080), (4270, 15376), (4340, 15128), (4805, 13664), (4880, 13454), (4960, 13237), (6727, 9760), (6832, 9610), (6944, 9455), (7564, 8680), (7688, 8540)]