20888766720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6691}}^1$

素因数の和:6989

約数の個数: 216

約数和(自身を含む): 72550488192

約数和(自身を除く): 51661721472

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, 6691, 8130, 8672, 9756, 10840, 11520, 12195, 13008, 13382, 16260, 17344, 19512, 20073, 21680, 24390, 26016, 26764, 32520, 33455, 34688, 39024, 40146, 43360, 48780, 52032, 53528, 60219, 65040, 66910, 69376, 78048, 80292, 86720, 97560, 100365, 104064, 107056, 120438, 130080, 133820, 156096, 160584, 173440, 195120, 200730, 208128, 214112, 240876, 260160, 267640, 301095, 312192, 321168, 346880, 390240, 401460, 428224, 481752, 520320, 535280, 602190, 624384, 642336, 780480, 802920, 856448, 963504, 1040640, 1070560, 1204380, 1284672, 1560960, 1605840, 1712896, 1813261, 1927008, 2141120, 2408760, 2569344, 3121920, 3211680, 3626522, 3854016, 4282240, 4817520, 5138688, 5439783, 6423360, 7253044, 7708032, 8564480, 9066305, 9635040, 10879566, 12846720, 14506088, 15416064, 16319349, 18132610, 19270080, 21759132, 25693440, 27198915, 29012176, 32638698, 36265220, 38540160, 43518264, 54397830, 58024352, 65277396, 72530440, 77080320, 81596745, 87036528, 108795660, 116048704, 130554792, 145060880, 163193490, 174073056, 217591320, 232097408, 261109584, 290121760, 326386980, 348146112, 435182640, 464194816, 522219168, 580243520, 652773960, 696292224, 870365280, 1044438336, 1160487040, 1305547920, 1392584448, 1740730560, 2088876672, 2320974080, 2611095840, 3481461120, 4177753344, 5222191680, 6962922240, 10444383360, 20888766720]

約数ペア:

[(1, 20888766720), (2, 10444383360), (3, 6962922240), (4, 5222191680), (5, 4177753344), (6, 3481461120), (8, 2611095840), (9, 2320974080), (10, 2088876672), (12, 1740730560), (15, 1392584448), (16, 1305547920), (18, 1160487040), (20, 1044438336), (24, 870365280), (30, 696292224), (32, 652773960), (36, 580243520), (40, 522219168), (45, 464194816), (48, 435182640), (60, 348146112), (64, 326386980), (72, 290121760), (80, 261109584), (90, 232097408), (96, 217591320), (120, 174073056), (128, 163193490), (144, 145060880), (160, 130554792), (180, 116048704), (192, 108795660), (240, 87036528), (256, 81596745), (271, 77080320), (288, 72530440), (320, 65277396), (360, 58024352), (384, 54397830), (480, 43518264), (542, 38540160), (576, 36265220), (640, 32638698), (720, 29012176), (768, 27198915), (813, 25693440), (960, 21759132), (1084, 19270080), (1152, 18132610), (1280, 16319349), (1355, 15416064), (1440, 14506088), (1626, 12846720), (1920, 10879566), (2168, 9635040), (2304, 9066305), (2439, 8564480), (2710, 7708032), (2880, 7253044), (3252, 6423360), (3840, 5439783), (4065, 5138688), (4336, 4817520), (4878, 4282240), (5420, 3854016), (5760, 3626522), (6504, 3211680), (6691, 3121920), (8130, 2569344), (8672, 2408760), (9756, 2141120), (10840, 1927008), (11520, 1813261), (12195, 1712896), (13008, 1605840), (13382, 1560960), (16260, 1284672), (17344, 1204380), (19512, 1070560), (20073, 1040640), (21680, 963504), (24390, 856448), (26016, 802920), (26764, 780480), (32520, 642336), (33455, 624384), (34688, 602190), (39024, 535280), (40146, 520320), (43360, 481752), (48780, 428224), (52032, 401460), (53528, 390240), (60219, 346880), (65040, 321168), (66910, 312192), (69376, 301095), (78048, 267640), (80292, 260160), (86720, 240876), (97560, 214112), (100365, 208128), (104064, 200730), (107056, 195120), (120438, 173440), (130080, 160584), (133820, 156096)]