31397880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 101606400

約数和(自身を除く): 70208520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 152, 188, 190, 228, 235, 282, 285, 293, 376, 380, 456, 470, 564, 570, 586, 705, 760, 879, 893, 940, 1128, 1140, 1172, 1410, 1465, 1758, 1786, 1880, 2280, 2344, 2679, 2820, 2930, 3516, 3572, 4395, 4465, 5358, 5567, 5640, 5860, 7032, 7144, 8790, 8930, 10716, 11134, 11720, 13395, 13771, 16701, 17580, 17860, 21432, 22268, 26790, 27542, 27835, 33402, 35160, 35720, 41313, 44536, 53580, 55084, 55670, 66804, 68855, 82626, 83505, 107160, 110168, 111340, 133608, 137710, 165252, 167010, 206565, 222680, 261649, 275420, 330504, 334020, 413130, 523298, 550840, 668040, 784947, 826260, 1046596, 1308245, 1569894, 1652520, 2093192, 2616490, 3139788, 3924735, 5232980, 6279576, 7849470, 10465960, 15698940, 31397880]

約数ペア:

[(1, 31397880), (2, 15698940), (3, 10465960), (4, 7849470), (5, 6279576), (6, 5232980), (8, 3924735), (10, 3139788), (12, 2616490), (15, 2093192), (19, 1652520), (20, 1569894), (24, 1308245), (30, 1046596), (38, 826260), (40, 784947), (47, 668040), (57, 550840), (60, 523298), (76, 413130), (94, 334020), (95, 330504), (114, 275420), (120, 261649), (141, 222680), (152, 206565), (188, 167010), (190, 165252), (228, 137710), (235, 133608), (282, 111340), (285, 110168), (293, 107160), (376, 83505), (380, 82626), (456, 68855), (470, 66804), (564, 55670), (570, 55084), (586, 53580), (705, 44536), (760, 41313), (879, 35720), (893, 35160), (940, 33402), (1128, 27835), (1140, 27542), (1172, 26790), (1410, 22268), (1465, 21432), (1758, 17860), (1786, 17580), (1880, 16701), (2280, 13771), (2344, 13395), (2679, 11720), (2820, 11134), (2930, 10716), (3516, 8930), (3572, 8790), (4395, 7144), (4465, 7032), (5358, 5860), (5567, 5640)]