214781580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 706305600

約数和(自身を除く): 491524020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 263, 349, 390, 468, 526, 585, 698, 780, 789, 1047, 1052, 1170, 1315, 1396, 1578, 1745, 2094, 2340, 2367, 2630, 3141, 3156, 3419, 3490, 3945, 4188, 4537, 4734, 5235, 5260, 6282, 6838, 6980, 7890, 9074, 9468, 10257, 10470, 11835, 12564, 13611, 13676, 15705, 15780, 17095, 18148, 20514, 20940, 22685, 23670, 27222, 30771, 31410, 34190, 40833, 41028, 45370, 47340, 51285, 54444, 61542, 62820, 68055, 68380, 81666, 90740, 91787, 102570, 123084, 136110, 153855, 163332, 183574, 204165, 205140, 272220, 275361, 307710, 367148, 408330, 458935, 550722, 615420, 816660, 826083, 917870, 1101444, 1193231, 1376805, 1652166, 1835740, 2386462, 2753610, 3304332, 3579693, 4130415, 4772924, 5507220, 5966155, 7159386, 8260830, 10739079, 11932310, 14318772, 16521660, 17898465, 21478158, 23864620, 35796930, 42956316, 53695395, 71593860, 107390790, 214781580]

約数ペア:

[(1, 214781580), (2, 107390790), (3, 71593860), (4, 53695395), (5, 42956316), (6, 35796930), (9, 23864620), (10, 21478158), (12, 17898465), (13, 16521660), (15, 14318772), (18, 11932310), (20, 10739079), (26, 8260830), (30, 7159386), (36, 5966155), (39, 5507220), (45, 4772924), (52, 4130415), (60, 3579693), (65, 3304332), (78, 2753610), (90, 2386462), (117, 1835740), (130, 1652166), (156, 1376805), (180, 1193231), (195, 1101444), (234, 917870), (260, 826083), (263, 816660), (349, 615420), (390, 550722), (468, 458935), (526, 408330), (585, 367148), (698, 307710), (780, 275361), (789, 272220), (1047, 205140), (1052, 204165), (1170, 183574), (1315, 163332), (1396, 153855), (1578, 136110), (1745, 123084), (2094, 102570), (2340, 91787), (2367, 90740), (2630, 81666), (3141, 68380), (3156, 68055), (3419, 62820), (3490, 61542), (3945, 54444), (4188, 51285), (4537, 47340), (4734, 45370), (5235, 41028), (5260, 40833), (6282, 34190), (6838, 31410), (6980, 30771), (7890, 27222), (9074, 23670), (9468, 22685), (10257, 20940), (10470, 20514), (11835, 18148), (12564, 17095), (13611, 15780), (13676, 15705)]