155605120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 437555520

約数和(自身を除く): 281950400

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, 310, 320, 341, 352, 368, 440, 460, 496, 506, 620, 640, 682, 704, 713, 736, 880, 920, 961, 992, 1012, 1240, 1265, 1364, 1408, 1426, 1472, 1705, 1760, 1840, 1922, 1984, 2024, 2480, 2530, 2728, 2852, 2944, 3410, 3520, 3565, 3680, 3844, 3968, 4048, 4805, 4960, 5060, 5456, 5704, 6820, 7040, 7130, 7360, 7688, 7843, 8096, 9610, 9920, 10120, 10571, 10912, 11408, 13640, 14260, 14720, 15376, 15686, 16192, 19220, 19840, 20240, 21142, 21824, 22103, 22816, 27280, 28520, 30752, 31372, 32384, 38440, 39215, 40480, 42284, 43648, 44206, 45632, 52855, 54560, 57040, 61504, 62744, 76880, 78430, 80960, 84568, 88412, 91264, 105710, 109120, 110515, 114080, 123008, 125488, 153760, 156860, 161920, 169136, 176824, 211420, 218240, 221030, 228160, 243133, 250976, 307520, 313720, 338272, 353648, 422840, 442060, 456320, 486266, 501952, 615040, 627440, 676544, 707296, 845680, 884120, 972532, 1003904, 1215665, 1254880, 1353088, 1414592, 1691360, 1768240, 1945064, 2431330, 2509760, 2829184, 3382720, 3536480, 3890128, 4862660, 5019520, 6765440, 7072960, 7780256, 9725320, 14145920, 15560512, 19450640, 31121024, 38901280, 77802560, 155605120]

約数ペア:

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