12723920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 34015680

約数和(自身を除く): 21291760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 761, 836, 880, 1045, 1520, 1522, 1672, 2090, 3044, 3344, 3805, 4180, 6088, 7610, 8360, 8371, 12176, 14459, 15220, 16720, 16742, 28918, 30440, 33484, 41855, 57836, 60880, 66968, 72295, 83710, 115672, 133936, 144590, 159049, 167420, 231344, 289180, 318098, 334840, 578360, 636196, 669680, 795245, 1156720, 1272392, 1590490, 2544784, 3180980, 6361960, 12723920]

約数ペア:

[(1, 12723920), (2, 6361960), (4, 3180980), (5, 2544784), (8, 1590490), (10, 1272392), (11, 1156720), (16, 795245), (19, 669680), (20, 636196), (22, 578360), (38, 334840), (40, 318098), (44, 289180), (55, 231344), (76, 167420), (80, 159049), (88, 144590), (95, 133936), (110, 115672), (152, 83710), (176, 72295), (190, 66968), (209, 60880), (220, 57836), (304, 41855), (380, 33484), (418, 30440), (440, 28918), (760, 16742), (761, 16720), (836, 15220), (880, 14459), (1045, 12176), (1520, 8371), (1522, 8360), (1672, 7610), (2090, 6088), (3044, 4180), (3344, 3805)]