231576660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{769}}^1$

素因数の和:1030

約数の個数: 144

約数和(自身を含む): 807206400

約数和(自身を除く): 575629740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 239, 252, 315, 420, 478, 630, 717, 769, 956, 1195, 1260, 1434, 1538, 1673, 2151, 2307, 2390, 2868, 3076, 3346, 3585, 3845, 4302, 4614, 4780, 5019, 5383, 6692, 6921, 7170, 7690, 8365, 8604, 9228, 10038, 10755, 10766, 11535, 13842, 14340, 15057, 15380, 16149, 16730, 20076, 21510, 21532, 23070, 25095, 26915, 27684, 30114, 32298, 33460, 34605, 43020, 46140, 48447, 50190, 53830, 60228, 64596, 69210, 75285, 80745, 96894, 100380, 107660, 138420, 150570, 161490, 183791, 193788, 242235, 301140, 322980, 367582, 484470, 551373, 735164, 918955, 968940, 1102746, 1286537, 1654119, 1837910, 2205492, 2573074, 2756865, 3308238, 3675820, 3859611, 5146148, 5513730, 6432685, 6616476, 7719222, 8270595, 11027460, 11578833, 12865370, 15438444, 16541190, 19298055, 23157666, 25730740, 33082380, 38596110, 46315332, 57894165, 77192220, 115788330, 231576660]

約数ペア:

[(1, 231576660), (2, 115788330), (3, 77192220), (4, 57894165), (5, 46315332), (6, 38596110), (7, 33082380), (9, 25730740), (10, 23157666), (12, 19298055), (14, 16541190), (15, 15438444), (18, 12865370), (20, 11578833), (21, 11027460), (28, 8270595), (30, 7719222), (35, 6616476), (36, 6432685), (42, 5513730), (45, 5146148), (60, 3859611), (63, 3675820), (70, 3308238), (84, 2756865), (90, 2573074), (105, 2205492), (126, 1837910), (140, 1654119), (180, 1286537), (210, 1102746), (239, 968940), (252, 918955), (315, 735164), (420, 551373), (478, 484470), (630, 367582), (717, 322980), (769, 301140), (956, 242235), (1195, 193788), (1260, 183791), (1434, 161490), (1538, 150570), (1673, 138420), (2151, 107660), (2307, 100380), (2390, 96894), (2868, 80745), (3076, 75285), (3346, 69210), (3585, 64596), (3845, 60228), (4302, 53830), (4614, 50190), (4780, 48447), (5019, 46140), (5383, 43020), (6692, 34605), (6921, 33460), (7170, 32298), (7690, 30114), (8365, 27684), (8604, 26915), (9228, 25095), (10038, 23070), (10755, 21532), (10766, 21510), (11535, 20076), (13842, 16730), (14340, 16149), (15057, 15380)]