200820960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139459}}^1$

素因数の和:139480

約数の個数: 72

約数和(自身を含む): 685306440

約数和(自身を除く): 484485480

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, 139459, 278918, 418377, 557836, 697295, 836754, 1115672, 1255131, 1394590, 1673508, 2091885, 2231344, 2510262, 2789180, 3347016, 4183770, 4462688, 5020524, 5578360, 6275655, 6694032, 8367540, 10041048, 11156720, 12551310, 13388064, 16735080, 20082096, 22313440, 25102620, 33470160, 40164192, 50205240, 66940320, 100410480, 200820960]

約数ペア:

[(1, 200820960), (2, 100410480), (3, 66940320), (4, 50205240), (5, 40164192), (6, 33470160), (8, 25102620), (9, 22313440), (10, 20082096), (12, 16735080), (15, 13388064), (16, 12551310), (18, 11156720), (20, 10041048), (24, 8367540), (30, 6694032), (32, 6275655), (36, 5578360), (40, 5020524), (45, 4462688), (48, 4183770), (60, 3347016), (72, 2789180), (80, 2510262), (90, 2231344), (96, 2091885), (120, 1673508), (144, 1394590), (160, 1255131), (180, 1115672), (240, 836754), (288, 697295), (360, 557836), (480, 418377), (720, 278918), (1440, 139459)]