87820440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:761

約数の個数: 128

約数和(自身を含む): 281180160

約数和(自身を除く): 193359720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 677, 690, 705, 920, 940, 1081, 1128, 1354, 1380, 1410, 1880, 2031, 2162, 2708, 2760, 2820, 3243, 3385, 4062, 4324, 5405, 5416, 5640, 6486, 6770, 8124, 8648, 10155, 10810, 12972, 13540, 15571, 16215, 16248, 20310, 21620, 25944, 27080, 31142, 31819, 32430, 40620, 43240, 46713, 62284, 63638, 64860, 77855, 81240, 93426, 95457, 124568, 127276, 129720, 155710, 159095, 186852, 190914, 233565, 254552, 311420, 318190, 373704, 381828, 467130, 477285, 622840, 636380, 731837, 763656, 934260, 954570, 1272760, 1463674, 1868520, 1909140, 2195511, 2927348, 3659185, 3818280, 4391022, 5854696, 7318370, 8782044, 10977555, 14636740, 17564088, 21955110, 29273480, 43910220, 87820440]

約数ペア:

[(1, 87820440), (2, 43910220), (3, 29273480), (4, 21955110), (5, 17564088), (6, 14636740), (8, 10977555), (10, 8782044), (12, 7318370), (15, 5854696), (20, 4391022), (23, 3818280), (24, 3659185), (30, 2927348), (40, 2195511), (46, 1909140), (47, 1868520), (60, 1463674), (69, 1272760), (92, 954570), (94, 934260), (115, 763656), (120, 731837), (138, 636380), (141, 622840), (184, 477285), (188, 467130), (230, 381828), (235, 373704), (276, 318190), (282, 311420), (345, 254552), (376, 233565), (460, 190914), (470, 186852), (552, 159095), (564, 155710), (677, 129720), (690, 127276), (705, 124568), (920, 95457), (940, 93426), (1081, 81240), (1128, 77855), (1354, 64860), (1380, 63638), (1410, 62284), (1880, 46713), (2031, 43240), (2162, 40620), (2708, 32430), (2760, 31819), (2820, 31142), (3243, 27080), (3385, 25944), (4062, 21620), (4324, 20310), (5405, 16248), (5416, 16215), (5640, 15571), (6486, 13540), (6770, 12972), (8124, 10810), (8648, 10155)]