20894154480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:1148

約数の個数: 240

約数和(自身を含む): 70975457280

約数和(自身を除く): 50081302800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 179, 180, 223, 240, 358, 360, 446, 537, 669, 716, 720, 727, 892, 895, 1074, 1115, 1338, 1432, 1454, 1611, 1784, 1790, 2007, 2148, 2181, 2230, 2676, 2685, 2864, 2908, 3222, 3345, 3568, 3580, 3635, 4014, 4296, 4362, 4460, 5352, 5370, 5816, 6444, 6543, 6690, 7160, 7270, 8028, 8055, 8592, 8724, 8920, 10035, 10704, 10740, 10905, 11632, 12888, 13086, 13380, 14320, 14540, 16056, 16110, 17448, 17840, 20070, 21480, 21810, 25776, 26172, 26760, 29080, 32112, 32220, 32715, 34896, 39917, 40140, 42960, 43620, 52344, 53520, 58160, 64440, 65430, 79834, 80280, 87240, 104688, 119751, 128880, 130133, 130860, 159668, 160560, 162121, 174480, 199585, 239502, 260266, 261720, 319336, 324242, 359253, 390399, 399170, 479004, 486363, 520532, 523440, 598755, 638672, 648484, 650665, 718506, 780798, 798340, 810605, 958008, 972726, 1041064, 1171197, 1197510, 1296968, 1301330, 1437012, 1459089, 1561596, 1596680, 1621210, 1796265, 1916016, 1945452, 1951995, 2082128, 2342394, 2395020, 2431815, 2593936, 2602660, 2874024, 2918178, 3123192, 3193360, 3242420, 3592530, 3890904, 3903990, 4684788, 4790040, 4863630, 5205320, 5748048, 5836356, 5855985, 6246384, 6484840, 7185060, 7295445, 7781808, 7807980, 9369576, 9580080, 9727260, 10410640, 11672712, 11711970, 12969680, 14370120, 14590890, 15615960, 18739152, 19454520, 23345424, 23423940, 28740240, 29019659, 29181780, 31231920, 38909040, 46847880, 58039318, 58363560, 87058977, 93695760, 116078636, 116727120, 145098295, 174117954, 232157272, 261176931, 290196590, 348235908, 435294885, 464314544, 522353862, 580393180, 696471816, 870589770, 1044707724, 1160786360, 1305884655, 1392943632, 1741179540, 2089415448, 2321572720, 2611769310, 3482359080, 4178830896, 5223538620, 6964718160, 10447077240, 20894154480]

約数ペア:

[(1, 20894154480), (2, 10447077240), (3, 6964718160), (4, 5223538620), (5, 4178830896), (6, 3482359080), (8, 2611769310), (9, 2321572720), (10, 2089415448), (12, 1741179540), (15, 1392943632), (16, 1305884655), (18, 1160786360), (20, 1044707724), (24, 870589770), (30, 696471816), (36, 580393180), (40, 522353862), (45, 464314544), (48, 435294885), (60, 348235908), (72, 290196590), (80, 261176931), (90, 232157272), (120, 174117954), (144, 145098295), (179, 116727120), (180, 116078636), (223, 93695760), (240, 87058977), (358, 58363560), (360, 58039318), (446, 46847880), (537, 38909040), (669, 31231920), (716, 29181780), (720, 29019659), (727, 28740240), (892, 23423940), (895, 23345424), (1074, 19454520), (1115, 18739152), (1338, 15615960), (1432, 14590890), (1454, 14370120), (1611, 12969680), (1784, 11711970), (1790, 11672712), (2007, 10410640), (2148, 9727260), (2181, 9580080), (2230, 9369576), (2676, 7807980), (2685, 7781808), (2864, 7295445), (2908, 7185060), (3222, 6484840), (3345, 6246384), (3568, 5855985), (3580, 5836356), (3635, 5748048), (4014, 5205320), (4296, 4863630), (4362, 4790040), (4460, 4684788), (5352, 3903990), (5370, 3890904), (5816, 3592530), (6444, 3242420), (6543, 3193360), (6690, 3123192), (7160, 2918178), (7270, 2874024), (8028, 2602660), (8055, 2593936), (8592, 2431815), (8724, 2395020), (8920, 2342394), (10035, 2082128), (10704, 1951995), (10740, 1945452), (10905, 1916016), (11632, 1796265), (12888, 1621210), (13086, 1596680), (13380, 1561596), (14320, 1459089), (14540, 1437012), (16056, 1301330), (16110, 1296968), (17448, 1197510), (17840, 1171197), (20070, 1041064), (21480, 972726), (21810, 958008), (25776, 810605), (26172, 798340), (26760, 780798), (29080, 718506), (32112, 650665), (32220, 648484), (32715, 638672), (34896, 598755), (39917, 523440), (40140, 520532), (42960, 486363), (43620, 479004), (52344, 399170), (53520, 390399), (58160, 359253), (64440, 324242), (65430, 319336), (79834, 261720), (80280, 260266), (87240, 239502), (104688, 199585), (119751, 174480), (128880, 162121), (130133, 160560), (130860, 159668)]