20121653880

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6449}}^1$

素因数の和:6585

約数の個数: 224

約数和(自身を含む): 68524542000

約数和(自身を除く): 48402888120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 107, 108, 120, 135, 162, 180, 214, 216, 243, 270, 321, 324, 360, 405, 428, 486, 535, 540, 642, 648, 729, 810, 856, 963, 972, 1070, 1080, 1215, 1284, 1458, 1605, 1620, 1926, 1944, 2140, 2430, 2568, 2889, 2916, 3210, 3240, 3645, 3852, 4280, 4815, 4860, 5778, 5832, 6420, 6449, 7290, 7704, 8667, 9630, 9720, 11556, 12840, 12898, 14445, 14580, 17334, 19260, 19347, 23112, 25796, 26001, 28890, 29160, 32245, 34668, 38520, 38694, 43335, 51592, 52002, 57780, 58041, 64490, 69336, 77388, 78003, 86670, 96735, 104004, 115560, 116082, 128980, 130005, 154776, 156006, 173340, 174123, 193470, 208008, 232164, 257960, 260010, 290205, 312012, 346680, 348246, 386940, 390015, 464328, 520020, 522369, 580410, 624024, 690043, 696492, 773880, 780030, 870615, 1040040, 1044738, 1160820, 1380086, 1392984, 1560060, 1567107, 1741230, 2070129, 2089476, 2321640, 2611845, 2760172, 3120120, 3134214, 3450215, 3482460, 4140258, 4178952, 4701321, 5223690, 5520344, 6210387, 6268428, 6900430, 6964920, 7835535, 8280516, 9402642, 10350645, 10447380, 12420774, 12536856, 13800860, 15671070, 16561032, 18631161, 18805284, 20701290, 20894760, 23506605, 24841548, 27601720, 31051935, 31342140, 37262322, 37610568, 41402580, 47013210, 49683096, 55893483, 62103870, 62684280, 74524644, 82805160, 93155805, 94026420, 111786966, 124207740, 149049288, 167680449, 186311610, 188052840, 223573932, 248415480, 279467415, 335360898, 372623220, 447147864, 503041347, 558934830, 670721796, 745246440, 838402245, 1006082694, 1117869660, 1341443592, 1676804490, 2012165388, 2235739320, 2515206735, 3353608980, 4024330776, 5030413470, 6707217960, 10060826940, 20121653880]

約数ペア:

[(1, 20121653880), (2, 10060826940), (3, 6707217960), (4, 5030413470), (5, 4024330776), (6, 3353608980), (8, 2515206735), (9, 2235739320), (10, 2012165388), (12, 1676804490), (15, 1341443592), (18, 1117869660), (20, 1006082694), (24, 838402245), (27, 745246440), (30, 670721796), (36, 558934830), (40, 503041347), (45, 447147864), (54, 372623220), (60, 335360898), (72, 279467415), (81, 248415480), (90, 223573932), (107, 188052840), (108, 186311610), (120, 167680449), (135, 149049288), (162, 124207740), (180, 111786966), (214, 94026420), (216, 93155805), (243, 82805160), (270, 74524644), (321, 62684280), (324, 62103870), (360, 55893483), (405, 49683096), (428, 47013210), (486, 41402580), (535, 37610568), (540, 37262322), (642, 31342140), (648, 31051935), (729, 27601720), (810, 24841548), (856, 23506605), (963, 20894760), (972, 20701290), (1070, 18805284), (1080, 18631161), (1215, 16561032), (1284, 15671070), (1458, 13800860), (1605, 12536856), (1620, 12420774), (1926, 10447380), (1944, 10350645), (2140, 9402642), (2430, 8280516), (2568, 7835535), (2889, 6964920), (2916, 6900430), (3210, 6268428), (3240, 6210387), (3645, 5520344), (3852, 5223690), (4280, 4701321), (4815, 4178952), (4860, 4140258), (5778, 3482460), (5832, 3450215), (6420, 3134214), (6449, 3120120), (7290, 2760172), (7704, 2611845), (8667, 2321640), (9630, 2089476), (9720, 2070129), (11556, 1741230), (12840, 1567107), (12898, 1560060), (14445, 1392984), (14580, 1380086), (17334, 1160820), (19260, 1044738), (19347, 1040040), (23112, 870615), (25796, 780030), (26001, 773880), (28890, 696492), (29160, 690043), (32245, 624024), (34668, 580410), (38520, 522369), (38694, 520020), (43335, 464328), (51592, 390015), (52002, 386940), (57780, 348246), (58041, 346680), (64490, 312012), (69336, 290205), (77388, 260010), (78003, 257960), (86670, 232164), (96735, 208008), (104004, 193470), (115560, 174123), (116082, 173340), (128980, 156006), (130005, 154776)]