66865760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 188987904

約数和(自身を除く): 122122144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 61, 62, 65, 68, 80, 85, 104, 122, 124, 130, 136, 155, 160, 170, 208, 221, 244, 248, 260, 272, 305, 310, 340, 403, 416, 442, 488, 496, 520, 527, 544, 610, 620, 680, 793, 806, 884, 976, 992, 1037, 1040, 1054, 1105, 1220, 1240, 1360, 1586, 1612, 1768, 1891, 1952, 2015, 2074, 2080, 2108, 2210, 2440, 2480, 2635, 2720, 3172, 3224, 3536, 3782, 3965, 4030, 4148, 4216, 4420, 4880, 4960, 5185, 5270, 6344, 6448, 6851, 7072, 7564, 7930, 8060, 8296, 8432, 8840, 9455, 9760, 10370, 10540, 12688, 12896, 13481, 13702, 15128, 15860, 16120, 16592, 16864, 17680, 18910, 20740, 21080, 24583, 25376, 26962, 27404, 30256, 31720, 32147, 32240, 33184, 34255, 35360, 37820, 41480, 42160, 49166, 53924, 54808, 60512, 63440, 64294, 64480, 67405, 68510, 75640, 82960, 84320, 98332, 107848, 109616, 122915, 126880, 128588, 134810, 137020, 151280, 160735, 165920, 196664, 215696, 219232, 245830, 257176, 269620, 274040, 302560, 321470, 393328, 417911, 431392, 491660, 514352, 539240, 548080, 642940, 786656, 835822, 983320, 1028704, 1078480, 1096160, 1285880, 1671644, 1966640, 2089555, 2156960, 2571760, 3343288, 3933280, 4179110, 5143520, 6686576, 8358220, 13373152, 16716440, 33432880, 66865760]

約数ペア:

[(1, 66865760), (2, 33432880), (4, 16716440), (5, 13373152), (8, 8358220), (10, 6686576), (13, 5143520), (16, 4179110), (17, 3933280), (20, 3343288), (26, 2571760), (31, 2156960), (32, 2089555), (34, 1966640), (40, 1671644), (52, 1285880), (61, 1096160), (62, 1078480), (65, 1028704), (68, 983320), (80, 835822), (85, 786656), (104, 642940), (122, 548080), (124, 539240), (130, 514352), (136, 491660), (155, 431392), (160, 417911), (170, 393328), (208, 321470), (221, 302560), (244, 274040), (248, 269620), (260, 257176), (272, 245830), (305, 219232), (310, 215696), (340, 196664), (403, 165920), (416, 160735), (442, 151280), (488, 137020), (496, 134810), (520, 128588), (527, 126880), (544, 122915), (610, 109616), (620, 107848), (680, 98332), (793, 84320), (806, 82960), (884, 75640), (976, 68510), (992, 67405), (1037, 64480), (1040, 64294), (1054, 63440), (1105, 60512), (1220, 54808), (1240, 53924), (1360, 49166), (1586, 42160), (1612, 41480), (1768, 37820), (1891, 35360), (1952, 34255), (2015, 33184), (2074, 32240), (2080, 32147), (2108, 31720), (2210, 30256), (2440, 27404), (2480, 26962), (2635, 25376), (2720, 24583), (3172, 21080), (3224, 20740), (3536, 18910), (3782, 17680), (3965, 16864), (4030, 16592), (4148, 16120), (4216, 15860), (4420, 15128), (4880, 13702), (4960, 13481), (5185, 12896), (5270, 12688), (6344, 10540), (6448, 10370), (6851, 9760), (7072, 9455), (7564, 8840), (7930, 8432), (8060, 8296)]