40580640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{28181}}^1$

素因数の和:28202

約数の個数: 72

約数和(自身を含む): 138486348

約数和(自身を除く): 97905708

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 28181, 56362, 84543, 112724, 140905, 169086, 225448, 253629, 281810, 338172, 422715, 450896, 507258, 563620, 676344, 845430, 901792, 1014516, 1127240, 1268145, 1352688, 1690860, 2029032, 2254480, 2536290, 2705376, 3381720, 4058064, 4508960, 5072580, 6763440, 8116128, 10145160, 13526880, 20290320, 40580640]

約数ペア:

[(1, 40580640), (2, 20290320), (3, 13526880), (4, 10145160), (5, 8116128), (6, 6763440), (8, 5072580), (9, 4508960), (10, 4058064), (12, 3381720), (15, 2705376), (16, 2536290), (18, 2254480), (20, 2029032), (24, 1690860), (30, 1352688), (32, 1268145), (36, 1127240), (40, 1014516), (45, 901792), (48, 845430), (60, 676344), (72, 563620), (80, 507258), (90, 450896), (96, 422715), (120, 338172), (144, 281810), (160, 253629), (180, 225448), (240, 169086), (288, 140905), (360, 112724), (480, 84543), (720, 56362), (1440, 28181)]