1239246440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{16229}}^1$

素因数の和:16346

約数の個数: 64

約数和(自身を含む): 2944771200

約数和(自身を除く): 1705524760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 332, 415, 460, 664, 830, 920, 1660, 1909, 3320, 3818, 7636, 9545, 15272, 16229, 19090, 32458, 38180, 64916, 76360, 81145, 129832, 162290, 324580, 373267, 649160, 746534, 1347007, 1493068, 1866335, 2694014, 2986136, 3732670, 5388028, 6735035, 7465340, 10776056, 13470070, 14930680, 26940140, 30981161, 53880280, 61962322, 123924644, 154905805, 247849288, 309811610, 619623220, 1239246440]

約数ペア:

[(1, 1239246440), (2, 619623220), (4, 309811610), (5, 247849288), (8, 154905805), (10, 123924644), (20, 61962322), (23, 53880280), (40, 30981161), (46, 26940140), (83, 14930680), (92, 13470070), (115, 10776056), (166, 7465340), (184, 6735035), (230, 5388028), (332, 3732670), (415, 2986136), (460, 2694014), (664, 1866335), (830, 1493068), (920, 1347007), (1660, 746534), (1909, 649160), (3320, 373267), (3818, 324580), (7636, 162290), (9545, 129832), (15272, 81145), (16229, 76360), (19090, 64916), (32458, 38180)]