15423440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 38539200

約数和(自身を除く): 23115760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 139, 146, 152, 190, 278, 292, 304, 365, 380, 556, 584, 695, 730, 760, 1112, 1168, 1387, 1390, 1460, 1520, 2224, 2641, 2774, 2780, 2920, 5282, 5548, 5560, 5840, 6935, 10147, 10564, 11096, 11120, 13205, 13870, 20294, 21128, 22192, 26410, 27740, 40588, 42256, 50735, 52820, 55480, 81176, 101470, 105640, 110960, 162352, 192793, 202940, 211280, 385586, 405880, 771172, 811760, 963965, 1542344, 1927930, 3084688, 3855860, 7711720, 15423440]

約数ペア:

[(1, 15423440), (2, 7711720), (4, 3855860), (5, 3084688), (8, 1927930), (10, 1542344), (16, 963965), (19, 811760), (20, 771172), (38, 405880), (40, 385586), (73, 211280), (76, 202940), (80, 192793), (95, 162352), (139, 110960), (146, 105640), (152, 101470), (190, 81176), (278, 55480), (292, 52820), (304, 50735), (365, 42256), (380, 40588), (556, 27740), (584, 26410), (695, 22192), (730, 21128), (760, 20294), (1112, 13870), (1168, 13205), (1387, 11120), (1390, 11096), (1460, 10564), (1520, 10147), (2224, 6935), (2641, 5840), (2774, 5560), (2780, 5548), (2920, 5282)]