81267300

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 180

約数和(自身を含む): 268871680

約数和(自身を除く): 187604380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 79, 81, 90, 100, 108, 127, 135, 150, 158, 162, 180, 225, 237, 254, 270, 300, 316, 324, 381, 395, 405, 450, 474, 508, 540, 635, 675, 711, 762, 790, 810, 900, 948, 1143, 1185, 1270, 1350, 1422, 1524, 1580, 1620, 1905, 1975, 2025, 2133, 2286, 2370, 2540, 2700, 2844, 3175, 3429, 3555, 3810, 3950, 4050, 4266, 4572, 4740, 5715, 5925, 6350, 6399, 6858, 7110, 7620, 7900, 8100, 8532, 9525, 10033, 10287, 10665, 11430, 11850, 12700, 12798, 13716, 14220, 17145, 17775, 19050, 20066, 20574, 21330, 22860, 23700, 25596, 28575, 30099, 31995, 34290, 35550, 38100, 40132, 41148, 42660, 50165, 51435, 53325, 57150, 60198, 63990, 68580, 71100, 85725, 90297, 100330, 102870, 106650, 114300, 120396, 127980, 150495, 159975, 171450, 180594, 200660, 205740, 213300, 250825, 257175, 270891, 300990, 319950, 342900, 361188, 451485, 501650, 514350, 541782, 601980, 639900, 752475, 812673, 902970, 1003300, 1028700, 1083564, 1354455, 1504950, 1625346, 1805940, 2257425, 2708910, 3009900, 3250692, 4063365, 4514850, 5417820, 6772275, 8126730, 9029700, 13544550, 16253460, 20316825, 27089100, 40633650, 81267300]

約数ペア:

[(1, 81267300), (2, 40633650), (3, 27089100), (4, 20316825), (5, 16253460), (6, 13544550), (9, 9029700), (10, 8126730), (12, 6772275), (15, 5417820), (18, 4514850), (20, 4063365), (25, 3250692), (27, 3009900), (30, 2708910), (36, 2257425), (45, 1805940), (50, 1625346), (54, 1504950), (60, 1354455), (75, 1083564), (79, 1028700), (81, 1003300), (90, 902970), (100, 812673), (108, 752475), (127, 639900), (135, 601980), (150, 541782), (158, 514350), (162, 501650), (180, 451485), (225, 361188), (237, 342900), (254, 319950), (270, 300990), (300, 270891), (316, 257175), (324, 250825), (381, 213300), (395, 205740), (405, 200660), (450, 180594), (474, 171450), (508, 159975), (540, 150495), (635, 127980), (675, 120396), (711, 114300), (762, 106650), (790, 102870), (810, 100330), (900, 90297), (948, 85725), (1143, 71100), (1185, 68580), (1270, 63990), (1350, 60198), (1422, 57150), (1524, 53325), (1580, 51435), (1620, 50165), (1905, 42660), (1975, 41148), (2025, 40132), (2133, 38100), (2286, 35550), (2370, 34290), (2540, 31995), (2700, 30099), (2844, 28575), (3175, 25596), (3429, 23700), (3555, 22860), (3810, 21330), (3950, 20574), (4050, 20066), (4266, 19050), (4572, 17775), (4740, 17145), (5715, 14220), (5925, 13716), (6350, 12798), (6399, 12700), (6858, 11850), (7110, 11430), (7620, 10665), (7900, 10287), (8100, 10033), (8532, 9525)]