317320960

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:790

約数の個数: 144

約数和(自身を含む): 857106432

約数和(自身を除く): 539785472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 727, 880, 992, 1240, 1280, 1364, 1408, 1454, 1705, 1760, 1984, 2480, 2728, 2816, 2908, 3410, 3520, 3635, 3968, 4960, 5456, 5816, 6820, 7040, 7270, 7936, 7997, 9920, 10912, 11632, 13640, 14080, 14540, 15994, 19840, 21824, 22537, 23264, 27280, 29080, 31988, 39680, 39985, 43648, 45074, 46528, 54560, 58160, 63976, 79970, 87296, 90148, 93056, 109120, 112685, 116320, 127952, 159940, 180296, 186112, 218240, 225370, 232640, 247907, 255904, 319880, 360592, 436480, 450740, 465280, 495814, 511808, 639760, 721184, 901480, 930560, 991628, 1023616, 1239535, 1279520, 1442368, 1802960, 1983256, 2047232, 2479070, 2559040, 2884736, 3605920, 3966512, 4958140, 5118080, 5769472, 7211840, 7933024, 9916280, 10236160, 14423680, 15866048, 19832560, 28847360, 31732096, 39665120, 63464192, 79330240, 158660480, 317320960]

約数ペア:

[(1, 317320960), (2, 158660480), (4, 79330240), (5, 63464192), (8, 39665120), (10, 31732096), (11, 28847360), (16, 19832560), (20, 15866048), (22, 14423680), (31, 10236160), (32, 9916280), (40, 7933024), (44, 7211840), (55, 5769472), (62, 5118080), (64, 4958140), (80, 3966512), (88, 3605920), (110, 2884736), (124, 2559040), (128, 2479070), (155, 2047232), (160, 1983256), (176, 1802960), (220, 1442368), (248, 1279520), (256, 1239535), (310, 1023616), (320, 991628), (341, 930560), (352, 901480), (440, 721184), (496, 639760), (620, 511808), (640, 495814), (682, 465280), (704, 450740), (727, 436480), (880, 360592), (992, 319880), (1240, 255904), (1280, 247907), (1364, 232640), (1408, 225370), (1454, 218240), (1705, 186112), (1760, 180296), (1984, 159940), (2480, 127952), (2728, 116320), (2816, 112685), (2908, 109120), (3410, 93056), (3520, 90148), (3635, 87296), (3968, 79970), (4960, 63976), (5456, 58160), (5816, 54560), (6820, 46528), (7040, 45074), (7270, 43648), (7936, 39985), (7997, 39680), (9920, 31988), (10912, 29080), (11632, 27280), (13640, 23264), (14080, 22537), (14540, 21824), (15994, 19840)]