331155720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{18773}}^1$

素因数の和:18804

約数の個数: 144

約数和(自身を含む): 1252038060

約数和(自身を除く): 920882340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 18773, 37546, 56319, 75092, 93865, 112638, 131411, 150184, 168957, 187730, 225276, 262822, 281595, 337914, 375460, 394233, 450552, 525644, 563190, 657055, 675828, 750920, 788466, 844785, 919877, 1051288, 1126380, 1182699, 1314110, 1351656, 1576932, 1689570, 1839754, 1971165, 2252760, 2365398, 2628220, 2759631, 3153864, 3379140, 3679508, 3942330, 4599385, 4730796, 5256440, 5519262, 5913495, 6758280, 7359016, 7884660, 8278893, 9198770, 9461592, 11038524, 11826990, 13798155, 15769320, 16557786, 18397540, 22077048, 23653980, 27596310, 33115572, 36795080, 41394465, 47307960, 55192620, 66231144, 82788930, 110385240, 165577860, 331155720]

約数ペア:

[(1, 331155720), (2, 165577860), (3, 110385240), (4, 82788930), (5, 66231144), (6, 55192620), (7, 47307960), (8, 41394465), (9, 36795080), (10, 33115572), (12, 27596310), (14, 23653980), (15, 22077048), (18, 18397540), (20, 16557786), (21, 15769320), (24, 13798155), (28, 11826990), (30, 11038524), (35, 9461592), (36, 9198770), (40, 8278893), (42, 7884660), (45, 7359016), (49, 6758280), (56, 5913495), (60, 5519262), (63, 5256440), (70, 4730796), (72, 4599385), (84, 3942330), (90, 3679508), (98, 3379140), (105, 3153864), (120, 2759631), (126, 2628220), (140, 2365398), (147, 2252760), (168, 1971165), (180, 1839754), (196, 1689570), (210, 1576932), (245, 1351656), (252, 1314110), (280, 1182699), (294, 1126380), (315, 1051288), (360, 919877), (392, 844785), (420, 788466), (441, 750920), (490, 675828), (504, 657055), (588, 563190), (630, 525644), (735, 450552), (840, 394233), (882, 375460), (980, 337914), (1176, 281595), (1260, 262822), (1470, 225276), (1764, 187730), (1960, 168957), (2205, 150184), (2520, 131411), (2940, 112638), (3528, 93865), (4410, 75092), (5880, 56319), (8820, 37546), (17640, 18773)]