20788865280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6659}}^1$

素因数の和:6957

約数の個数: 216

約数和(自身を含む): 72203564160

約数和(自身を除く): 51414698880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 271, 288, 320, 360, 384, 480, 542, 576, 640, 720, 768, 813, 960, 1084, 1152, 1280, 1355, 1440, 1626, 1920, 2168, 2304, 2439, 2710, 2880, 3252, 3840, 4065, 4336, 4878, 5420, 5760, 6504, 6659, 8130, 8672, 9756, 10840, 11520, 12195, 13008, 13318, 16260, 17344, 19512, 19977, 21680, 24390, 26016, 26636, 32520, 33295, 34688, 39024, 39954, 43360, 48780, 52032, 53272, 59931, 65040, 66590, 69376, 78048, 79908, 86720, 97560, 99885, 104064, 106544, 119862, 130080, 133180, 156096, 159816, 173440, 195120, 199770, 208128, 213088, 239724, 260160, 266360, 299655, 312192, 319632, 346880, 390240, 399540, 426176, 479448, 520320, 532720, 599310, 624384, 639264, 780480, 799080, 852352, 958896, 1040640, 1065440, 1198620, 1278528, 1560960, 1598160, 1704704, 1804589, 1917792, 2130880, 2397240, 2557056, 3121920, 3196320, 3609178, 3835584, 4261760, 4794480, 5114112, 5413767, 6392640, 7218356, 7671168, 8523520, 9022945, 9588960, 10827534, 12785280, 14436712, 15342336, 16241301, 18045890, 19177920, 21655068, 25570560, 27068835, 28873424, 32482602, 36091780, 38355840, 43310136, 54137670, 57746848, 64965204, 72183560, 76711680, 81206505, 86620272, 108275340, 115493696, 129930408, 144367120, 162413010, 173240544, 216550680, 230987392, 259860816, 288734240, 324826020, 346481088, 433101360, 461974784, 519721632, 577468480, 649652040, 692962176, 866202720, 1039443264, 1154936960, 1299304080, 1385924352, 1732405440, 2078886528, 2309873920, 2598608160, 3464810880, 4157773056, 5197216320, 6929621760, 10394432640, 20788865280]

約数ペア:

[(1, 20788865280), (2, 10394432640), (3, 6929621760), (4, 5197216320), (5, 4157773056), (6, 3464810880), (8, 2598608160), (9, 2309873920), (10, 2078886528), (12, 1732405440), (15, 1385924352), (16, 1299304080), (18, 1154936960), (20, 1039443264), (24, 866202720), (30, 692962176), (32, 649652040), (36, 577468480), (40, 519721632), (45, 461974784), (48, 433101360), (60, 346481088), (64, 324826020), (72, 288734240), (80, 259860816), (90, 230987392), (96, 216550680), (120, 173240544), (128, 162413010), (144, 144367120), (160, 129930408), (180, 115493696), (192, 108275340), (240, 86620272), (256, 81206505), (271, 76711680), (288, 72183560), (320, 64965204), (360, 57746848), (384, 54137670), (480, 43310136), (542, 38355840), (576, 36091780), (640, 32482602), (720, 28873424), (768, 27068835), (813, 25570560), (960, 21655068), (1084, 19177920), (1152, 18045890), (1280, 16241301), (1355, 15342336), (1440, 14436712), (1626, 12785280), (1920, 10827534), (2168, 9588960), (2304, 9022945), (2439, 8523520), (2710, 7671168), (2880, 7218356), (3252, 6392640), (3840, 5413767), (4065, 5114112), (4336, 4794480), (4878, 4261760), (5420, 3835584), (5760, 3609178), (6504, 3196320), (6659, 3121920), (8130, 2557056), (8672, 2397240), (9756, 2130880), (10840, 1917792), (11520, 1804589), (12195, 1704704), (13008, 1598160), (13318, 1560960), (16260, 1278528), (17344, 1198620), (19512, 1065440), (19977, 1040640), (21680, 958896), (24390, 852352), (26016, 799080), (26636, 780480), (32520, 639264), (33295, 624384), (34688, 599310), (39024, 532720), (39954, 520320), (43360, 479448), (48780, 426176), (52032, 399540), (53272, 390240), (59931, 346880), (65040, 319632), (66590, 312192), (69376, 299655), (78048, 266360), (79908, 260160), (86720, 239724), (97560, 213088), (99885, 208128), (104064, 199770), (106544, 195120), (119862, 173440), (130080, 159816), (133180, 156096)]