51581520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2361

約数の個数: 120

約数和(自身を含む): 178893312

約数和(自身を除く): 127311792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2311, 2480, 2790, 3720, 4464, 4622, 5580, 6933, 7440, 9244, 11160, 11555, 13866, 18488, 20799, 22320, 23110, 27732, 34665, 36976, 41598, 46220, 55464, 69330, 71641, 83196, 92440, 103995, 110928, 138660, 143282, 166392, 184880, 207990, 214923, 277320, 286564, 332784, 358205, 415980, 429846, 554640, 573128, 644769, 716410, 831960, 859692, 1074615, 1146256, 1289538, 1432820, 1663920, 1719384, 2149230, 2579076, 2865640, 3223845, 3438768, 4298460, 5158152, 5731280, 6447690, 8596920, 10316304, 12895380, 17193840, 25790760, 51581520]

約数ペア:

[(1, 51581520), (2, 25790760), (3, 17193840), (4, 12895380), (5, 10316304), (6, 8596920), (8, 6447690), (9, 5731280), (10, 5158152), (12, 4298460), (15, 3438768), (16, 3223845), (18, 2865640), (20, 2579076), (24, 2149230), (30, 1719384), (31, 1663920), (36, 1432820), (40, 1289538), (45, 1146256), (48, 1074615), (60, 859692), (62, 831960), (72, 716410), (80, 644769), (90, 573128), (93, 554640), (120, 429846), (124, 415980), (144, 358205), (155, 332784), (180, 286564), (186, 277320), (240, 214923), (248, 207990), (279, 184880), (310, 166392), (360, 143282), (372, 138660), (465, 110928), (496, 103995), (558, 92440), (620, 83196), (720, 71641), (744, 69330), (930, 55464), (1116, 46220), (1240, 41598), (1395, 36976), (1488, 34665), (1860, 27732), (2232, 23110), (2311, 22320), (2480, 20799), (2790, 18488), (3720, 13866), (4464, 11555), (4622, 11160), (5580, 9244), (6933, 7440)]