56720016

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20731}}^1$

素因数の和:20764

約数の個数: 60

約数和(自身を含む): 167099920

約数和(自身を除く): 110379904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 20731, 41462, 62193, 82924, 124386, 165848, 186579, 248772, 331696, 373158, 393889, 497544, 746316, 787778, 995088, 1181667, 1492632, 1575556, 2363334, 2985264, 3151112, 3545001, 4726668, 6302224, 7090002, 9453336, 14180004, 18906672, 28360008, 56720016]

約数ペア:

[(1, 56720016), (2, 28360008), (3, 18906672), (4, 14180004), (6, 9453336), (8, 7090002), (9, 6302224), (12, 4726668), (16, 3545001), (18, 3151112), (19, 2985264), (24, 2363334), (36, 1575556), (38, 1492632), (48, 1181667), (57, 995088), (72, 787778), (76, 746316), (114, 497544), (144, 393889), (152, 373158), (171, 331696), (228, 248772), (304, 186579), (342, 165848), (456, 124386), (684, 82924), (912, 62193), (1368, 41462), (2736, 20731)]