231339420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1044

約数の個数: 144

約数和(自身を含む): 763482720

約数和(自身を除く): 532143300

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, 109, 117, 130, 156, 180, 195, 218, 234, 260, 327, 390, 436, 468, 545, 585, 654, 780, 907, 981, 1090, 1170, 1308, 1417, 1635, 1814, 1962, 2180, 2340, 2721, 2834, 3270, 3628, 3924, 4251, 4535, 4905, 5442, 5668, 6540, 7085, 8163, 8502, 9070, 9810, 10884, 11791, 12753, 13605, 14170, 16326, 17004, 18140, 19620, 21255, 23582, 25506, 27210, 28340, 32652, 35373, 40815, 42510, 47164, 51012, 54420, 58955, 63765, 70746, 81630, 85020, 98863, 106119, 117910, 127530, 141492, 163260, 176865, 197726, 212238, 235820, 255060, 296589, 353730, 395452, 424476, 494315, 530595, 593178, 707460, 889767, 988630, 1061190, 1186356, 1285219, 1482945, 1779534, 1977260, 2122380, 2570438, 2965890, 3559068, 3855657, 4448835, 5140876, 5931780, 6426095, 7711314, 8897670, 11566971, 12852190, 15422628, 17795340, 19278285, 23133942, 25704380, 38556570, 46267884, 57834855, 77113140, 115669710, 231339420]

約数ペア:

[(1, 231339420), (2, 115669710), (3, 77113140), (4, 57834855), (5, 46267884), (6, 38556570), (9, 25704380), (10, 23133942), (12, 19278285), (13, 17795340), (15, 15422628), (18, 12852190), (20, 11566971), (26, 8897670), (30, 7711314), (36, 6426095), (39, 5931780), (45, 5140876), (52, 4448835), (60, 3855657), (65, 3559068), (78, 2965890), (90, 2570438), (109, 2122380), (117, 1977260), (130, 1779534), (156, 1482945), (180, 1285219), (195, 1186356), (218, 1061190), (234, 988630), (260, 889767), (327, 707460), (390, 593178), (436, 530595), (468, 494315), (545, 424476), (585, 395452), (654, 353730), (780, 296589), (907, 255060), (981, 235820), (1090, 212238), (1170, 197726), (1308, 176865), (1417, 163260), (1635, 141492), (1814, 127530), (1962, 117910), (2180, 106119), (2340, 98863), (2721, 85020), (2834, 81630), (3270, 70746), (3628, 63765), (3924, 58955), (4251, 54420), (4535, 51012), (4905, 47164), (5442, 42510), (5668, 40815), (6540, 35373), (7085, 32652), (8163, 28340), (8502, 27210), (9070, 25506), (9810, 23582), (10884, 21255), (11791, 19620), (12753, 18140), (13605, 17004), (14170, 16326)]