2160126400

素因数分解:

$2^6\times 5^2\times {\mathrm{181}}^1\times {\mathrm{7459}}^1$

素因数の和:7662

約数の個数: 84

約数和(自身を含む): 5345343640

約数和(自身を除く): 3185217240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 181, 200, 320, 362, 400, 724, 800, 905, 1448, 1600, 1810, 2896, 3620, 4525, 5792, 7240, 7459, 9050, 11584, 14480, 14918, 18100, 28960, 29836, 36200, 37295, 57920, 59672, 72400, 74590, 119344, 144800, 149180, 186475, 238688, 289600, 298360, 372950, 477376, 596720, 745900, 1193440, 1350079, 1491800, 2386880, 2700158, 2983600, 5400316, 5967200, 6750395, 10800632, 11934400, 13500790, 21601264, 27001580, 33751975, 43202528, 54003160, 67503950, 86405056, 108006320, 135007900, 216012640, 270015800, 432025280, 540031600, 1080063200, 2160126400]

約数ペア:

[(1, 2160126400), (2, 1080063200), (4, 540031600), (5, 432025280), (8, 270015800), (10, 216012640), (16, 135007900), (20, 108006320), (25, 86405056), (32, 67503950), (40, 54003160), (50, 43202528), (64, 33751975), (80, 27001580), (100, 21601264), (160, 13500790), (181, 11934400), (200, 10800632), (320, 6750395), (362, 5967200), (400, 5400316), (724, 2983600), (800, 2700158), (905, 2386880), (1448, 1491800), (1600, 1350079), (1810, 1193440), (2896, 745900), (3620, 596720), (4525, 477376), (5792, 372950), (7240, 298360), (7459, 289600), (9050, 238688), (11584, 186475), (14480, 149180), (14918, 144800), (18100, 119344), (28960, 74590), (29836, 72400), (36200, 59672), (37295, 57920)]