311210240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 876826944

約数和(自身を除く): 565616704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 32, 40, 44, 46, 55, 62, 64, 80, 88, 92, 110, 115, 124, 128, 155, 160, 176, 184, 220, 230, 248, 253, 256, 310, 320, 341, 352, 368, 440, 460, 496, 506, 620, 640, 682, 704, 713, 736, 880, 920, 961, 992, 1012, 1240, 1265, 1280, 1364, 1408, 1426, 1472, 1705, 1760, 1840, 1922, 1984, 2024, 2480, 2530, 2728, 2816, 2852, 2944, 3410, 3520, 3565, 3680, 3844, 3968, 4048, 4805, 4960, 5060, 5456, 5704, 5888, 6820, 7040, 7130, 7360, 7688, 7843, 7936, 8096, 9610, 9920, 10120, 10571, 10912, 11408, 13640, 14080, 14260, 14720, 15376, 15686, 16192, 19220, 19840, 20240, 21142, 21824, 22103, 22816, 27280, 28520, 29440, 30752, 31372, 32384, 38440, 39215, 39680, 40480, 42284, 43648, 44206, 45632, 52855, 54560, 57040, 61504, 62744, 64768, 76880, 78430, 80960, 84568, 87296, 88412, 91264, 105710, 109120, 110515, 114080, 123008, 125488, 153760, 156860, 161920, 169136, 176824, 182528, 211420, 218240, 221030, 228160, 243133, 246016, 250976, 307520, 313720, 323840, 338272, 353648, 422840, 436480, 442060, 456320, 486266, 501952, 615040, 627440, 676544, 707296, 845680, 884120, 912640, 972532, 1003904, 1215665, 1230080, 1254880, 1353088, 1414592, 1691360, 1768240, 1945064, 2007808, 2431330, 2509760, 2706176, 2829184, 3382720, 3536480, 3890128, 4862660, 5019520, 5658368, 6765440, 7072960, 7780256, 9725320, 10039040, 13530880, 14145920, 15560512, 19450640, 28291840, 31121024, 38901280, 62242048, 77802560, 155605120, 311210240]

約数ペア:

[(1, 311210240), (2, 155605120), (4, 77802560), (5, 62242048), (8, 38901280), (10, 31121024), (11, 28291840), (16, 19450640), (20, 15560512), (22, 14145920), (23, 13530880), (31, 10039040), (32, 9725320), (40, 7780256), (44, 7072960), (46, 6765440), (55, 5658368), (62, 5019520), (64, 4862660), (80, 3890128), (88, 3536480), (92, 3382720), (110, 2829184), (115, 2706176), (124, 2509760), (128, 2431330), (155, 2007808), (160, 1945064), (176, 1768240), (184, 1691360), (220, 1414592), (230, 1353088), (248, 1254880), (253, 1230080), (256, 1215665), (310, 1003904), (320, 972532), (341, 912640), (352, 884120), (368, 845680), (440, 707296), (460, 676544), (496, 627440), (506, 615040), (620, 501952), (640, 486266), (682, 456320), (704, 442060), (713, 436480), (736, 422840), (880, 353648), (920, 338272), (961, 323840), (992, 313720), (1012, 307520), (1240, 250976), (1265, 246016), (1280, 243133), (1364, 228160), (1408, 221030), (1426, 218240), (1472, 211420), (1705, 182528), (1760, 176824), (1840, 169136), (1922, 161920), (1984, 156860), (2024, 153760), (2480, 125488), (2530, 123008), (2728, 114080), (2816, 110515), (2852, 109120), (2944, 105710), (3410, 91264), (3520, 88412), (3565, 87296), (3680, 84568), (3844, 80960), (3968, 78430), (4048, 76880), (4805, 64768), (4960, 62744), (5060, 61504), (5456, 57040), (5704, 54560), (5888, 52855), (6820, 45632), (7040, 44206), (7130, 43648), (7360, 42284), (7688, 40480), (7843, 39680), (7936, 39215), (8096, 38440), (9610, 32384), (9920, 31372), (10120, 30752), (10571, 29440), (10912, 28520), (11408, 27280), (13640, 22816), (14080, 22103), (14260, 21824), (14720, 21142), (15376, 20240), (15686, 19840), (16192, 19220)]