2019986040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{23609}}^1$

素因数の和:23677

約数の個数: 128

約数和(自身を含む): 6527692800

約数和(自身を除く): 4507706760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 3565, 3720, 4278, 5704, 7130, 8556, 10695, 14260, 17112, 21390, 23609, 28520, 42780, 47218, 70827, 85560, 94436, 118045, 141654, 188872, 236090, 283308, 354135, 472180, 543007, 566616, 708270, 731879, 944360, 1086014, 1416540, 1463758, 1629021, 2172028, 2195637, 2715035, 2833080, 2927516, 3258042, 3659395, 4344056, 4391274, 5430070, 5855032, 6516084, 7318790, 8145105, 8782548, 10860140, 10978185, 13032168, 14637580, 16290210, 16833217, 17565096, 21720280, 21956370, 29275160, 32580420, 33666434, 43912740, 50499651, 65160840, 67332868, 84166085, 87825480, 100999302, 134665736, 168332170, 201998604, 252498255, 336664340, 403997208, 504996510, 673328680, 1009993020, 2019986040]

約数ペア:

[(1, 2019986040), (2, 1009993020), (3, 673328680), (4, 504996510), (5, 403997208), (6, 336664340), (8, 252498255), (10, 201998604), (12, 168332170), (15, 134665736), (20, 100999302), (23, 87825480), (24, 84166085), (30, 67332868), (31, 65160840), (40, 50499651), (46, 43912740), (60, 33666434), (62, 32580420), (69, 29275160), (92, 21956370), (93, 21720280), (115, 17565096), (120, 16833217), (124, 16290210), (138, 14637580), (155, 13032168), (184, 10978185), (186, 10860140), (230, 8782548), (248, 8145105), (276, 7318790), (310, 6516084), (345, 5855032), (372, 5430070), (460, 4391274), (465, 4344056), (552, 3659395), (620, 3258042), (690, 2927516), (713, 2833080), (744, 2715035), (920, 2195637), (930, 2172028), (1240, 1629021), (1380, 1463758), (1426, 1416540), (1860, 1086014), (2139, 944360), (2760, 731879), (2852, 708270), (3565, 566616), (3720, 543007), (4278, 472180), (5704, 354135), (7130, 283308), (8556, 236090), (10695, 188872), (14260, 141654), (17112, 118045), (21390, 94436), (23609, 85560), (28520, 70827), (42780, 47218)]