77802560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:113

約数の個数: 168

約数和(自身を含む): 217919808

約数和(自身を除く): 140117248

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, 155, 160, 176, 184, 220, 230, 248, 253, 310, 320, 341, 352, 368, 440, 460, 496, 506, 620, 682, 704, 713, 736, 880, 920, 961, 992, 1012, 1240, 1265, 1364, 1426, 1472, 1705, 1760, 1840, 1922, 1984, 2024, 2480, 2530, 2728, 2852, 3410, 3520, 3565, 3680, 3844, 4048, 4805, 4960, 5060, 5456, 5704, 6820, 7130, 7360, 7688, 7843, 8096, 9610, 9920, 10120, 10571, 10912, 11408, 13640, 14260, 15376, 15686, 16192, 19220, 20240, 21142, 21824, 22103, 22816, 27280, 28520, 30752, 31372, 38440, 39215, 40480, 42284, 44206, 45632, 52855, 54560, 57040, 61504, 62744, 76880, 78430, 80960, 84568, 88412, 105710, 109120, 110515, 114080, 125488, 153760, 156860, 169136, 176824, 211420, 221030, 228160, 243133, 250976, 307520, 313720, 338272, 353648, 422840, 442060, 486266, 501952, 627440, 676544, 707296, 845680, 884120, 972532, 1215665, 1254880, 1414592, 1691360, 1768240, 1945064, 2431330, 2509760, 3382720, 3536480, 3890128, 4862660, 7072960, 7780256, 9725320, 15560512, 19450640, 38901280, 77802560]

約数ペア:

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