315899920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{587}}^1$

素因数の和:669

約数の個数: 120

約数和(自身を含む): 868819392

約数和(自身を除く): 552919472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 587, 620, 868, 961, 1085, 1174, 1240, 1736, 1922, 2170, 2348, 2480, 2935, 3472, 3844, 4109, 4340, 4696, 4805, 5870, 6727, 7688, 8218, 8680, 9392, 9610, 11740, 13454, 15376, 16436, 17360, 18197, 19220, 20545, 23480, 26908, 32872, 33635, 36394, 38440, 41090, 46960, 53816, 65744, 67270, 72788, 76880, 82180, 90985, 107632, 127379, 134540, 145576, 164360, 181970, 254758, 269080, 291152, 328720, 363940, 509516, 538160, 564107, 636895, 727880, 1019032, 1128214, 1273790, 1455760, 2038064, 2256428, 2547580, 2820535, 3948749, 4512856, 5095160, 5641070, 7897498, 9025712, 10190320, 11282140, 15794996, 19743745, 22564280, 31589992, 39487490, 45128560, 63179984, 78974980, 157949960, 315899920]

約数ペア:

[(1, 315899920), (2, 157949960), (4, 78974980), (5, 63179984), (7, 45128560), (8, 39487490), (10, 31589992), (14, 22564280), (16, 19743745), (20, 15794996), (28, 11282140), (31, 10190320), (35, 9025712), (40, 7897498), (56, 5641070), (62, 5095160), (70, 4512856), (80, 3948749), (112, 2820535), (124, 2547580), (140, 2256428), (155, 2038064), (217, 1455760), (248, 1273790), (280, 1128214), (310, 1019032), (434, 727880), (496, 636895), (560, 564107), (587, 538160), (620, 509516), (868, 363940), (961, 328720), (1085, 291152), (1174, 269080), (1240, 254758), (1736, 181970), (1922, 164360), (2170, 145576), (2348, 134540), (2480, 127379), (2935, 107632), (3472, 90985), (3844, 82180), (4109, 76880), (4340, 72788), (4696, 67270), (4805, 65744), (5870, 53816), (6727, 46960), (7688, 41090), (8218, 38440), (8680, 36394), (9392, 33635), (9610, 32872), (11740, 26908), (13454, 23480), (15376, 20545), (16436, 19220), (17360, 18197)]