77678820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 254741760

約数和(自身を除く): 177062940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 174, 180, 207, 230, 261, 276, 290, 345, 348, 414, 435, 460, 522, 580, 647, 667, 690, 828, 870, 1035, 1044, 1294, 1305, 1334, 1380, 1740, 1941, 2001, 2070, 2588, 2610, 2668, 3235, 3335, 3882, 4002, 4140, 5220, 5823, 6003, 6470, 6670, 7764, 8004, 9705, 10005, 11646, 12006, 12940, 13340, 14881, 18763, 19410, 20010, 23292, 24012, 29115, 29762, 30015, 37526, 38820, 40020, 44643, 56289, 58230, 59524, 60030, 74405, 75052, 89286, 93815, 112578, 116460, 120060, 133929, 148810, 168867, 178572, 187630, 223215, 225156, 267858, 281445, 297620, 337734, 375260, 431549, 446430, 535716, 562890, 669645, 675468, 844335, 863098, 892860, 1125780, 1294647, 1339290, 1688670, 1726196, 2157745, 2589294, 2678580, 3377340, 3883941, 4315490, 5178588, 6473235, 7767882, 8630980, 12946470, 15535764, 19419705, 25892940, 38839410, 77678820]

約数ペア:

[(1, 77678820), (2, 38839410), (3, 25892940), (4, 19419705), (5, 15535764), (6, 12946470), (9, 8630980), (10, 7767882), (12, 6473235), (15, 5178588), (18, 4315490), (20, 3883941), (23, 3377340), (29, 2678580), (30, 2589294), (36, 2157745), (45, 1726196), (46, 1688670), (58, 1339290), (60, 1294647), (69, 1125780), (87, 892860), (90, 863098), (92, 844335), (115, 675468), (116, 669645), (138, 562890), (145, 535716), (174, 446430), (180, 431549), (207, 375260), (230, 337734), (261, 297620), (276, 281445), (290, 267858), (345, 225156), (348, 223215), (414, 187630), (435, 178572), (460, 168867), (522, 148810), (580, 133929), (647, 120060), (667, 116460), (690, 112578), (828, 93815), (870, 89286), (1035, 75052), (1044, 74405), (1294, 60030), (1305, 59524), (1334, 58230), (1380, 56289), (1740, 44643), (1941, 40020), (2001, 38820), (2070, 37526), (2588, 30015), (2610, 29762), (2668, 29115), (3235, 24012), (3335, 23292), (3882, 20010), (4002, 19410), (4140, 18763), (5220, 14881), (5823, 13340), (6003, 12940), (6470, 12006), (6670, 11646), (7764, 10005), (8004, 9705)]