27731340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1728

約数の個数: 144

約数和(自身を含む): 103591488

約数和(自身を除く): 75860148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1693, 1820, 2340, 2730, 3276, 3386, 4095, 5079, 5460, 6772, 8190, 8465, 10158, 11851, 15237, 16380, 16930, 20316, 22009, 23702, 25395, 30474, 33860, 35553, 44018, 47404, 50790, 59255, 60948, 66027, 71106, 76185, 88036, 101580, 106659, 110045, 118510, 132054, 142212, 152370, 154063, 177765, 198081, 213318, 220090, 237020, 264108, 304740, 308126, 330135, 355530, 396162, 426636, 440180, 462189, 533295, 616252, 660270, 711060, 770315, 792324, 924378, 990405, 1066590, 1320540, 1386567, 1540630, 1848756, 1980810, 2133180, 2310945, 2773134, 3081260, 3961620, 4621890, 5546268, 6932835, 9243780, 13865670, 27731340]

約数ペア:

[(1, 27731340), (2, 13865670), (3, 9243780), (4, 6932835), (5, 5546268), (6, 4621890), (7, 3961620), (9, 3081260), (10, 2773134), (12, 2310945), (13, 2133180), (14, 1980810), (15, 1848756), (18, 1540630), (20, 1386567), (21, 1320540), (26, 1066590), (28, 990405), (30, 924378), (35, 792324), (36, 770315), (39, 711060), (42, 660270), (45, 616252), (52, 533295), (60, 462189), (63, 440180), (65, 426636), (70, 396162), (78, 355530), (84, 330135), (90, 308126), (91, 304740), (105, 264108), (117, 237020), (126, 220090), (130, 213318), (140, 198081), (156, 177765), (180, 154063), (182, 152370), (195, 142212), (210, 132054), (234, 118510), (252, 110045), (260, 106659), (273, 101580), (315, 88036), (364, 76185), (390, 71106), (420, 66027), (455, 60948), (468, 59255), (546, 50790), (585, 47404), (630, 44018), (780, 35553), (819, 33860), (910, 30474), (1092, 25395), (1170, 23702), (1260, 22009), (1365, 20316), (1638, 16930), (1693, 16380), (1820, 15237), (2340, 11851), (2730, 10158), (3276, 8465), (3386, 8190), (4095, 6772), (5079, 5460)]