260640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{181}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 894348

約数和(自身を除く): 633708

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, 181, 240, 288, 360, 362, 480, 543, 720, 724, 905, 1086, 1440, 1448, 1629, 1810, 2172, 2715, 2896, 3258, 3620, 4344, 5430, 5792, 6516, 7240, 8145, 8688, 10860, 13032, 14480, 16290, 17376, 21720, 26064, 28960, 32580, 43440, 52128, 65160, 86880, 130320, 260640]

約数ペア:

[(1, 260640), (2, 130320), (3, 86880), (4, 65160), (5, 52128), (6, 43440), (8, 32580), (9, 28960), (10, 26064), (12, 21720), (15, 17376), (16, 16290), (18, 14480), (20, 13032), (24, 10860), (30, 8688), (32, 8145), (36, 7240), (40, 6516), (45, 5792), (48, 5430), (60, 4344), (72, 3620), (80, 3258), (90, 2896), (96, 2715), (120, 2172), (144, 1810), (160, 1629), (180, 1448), (181, 1440), (240, 1086), (288, 905), (360, 724), (362, 720), (480, 543)]