161772880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 417973248

約数和(自身を除く): 256200368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 41, 43, 62, 74, 80, 82, 86, 124, 148, 155, 164, 172, 185, 205, 215, 248, 296, 310, 328, 344, 370, 410, 430, 496, 592, 620, 656, 688, 740, 820, 860, 1147, 1240, 1271, 1333, 1480, 1517, 1591, 1640, 1720, 1763, 2294, 2480, 2542, 2666, 2960, 3034, 3182, 3280, 3440, 3526, 4588, 5084, 5332, 5735, 6068, 6355, 6364, 6665, 7052, 7585, 7955, 8815, 9176, 10168, 10664, 11470, 12136, 12710, 12728, 13330, 14104, 15170, 15910, 17630, 18352, 20336, 21328, 22940, 24272, 25420, 25456, 26660, 28208, 30340, 31820, 35260, 45880, 47027, 49321, 50840, 53320, 54653, 60680, 63640, 65231, 70520, 91760, 94054, 98642, 101680, 106640, 109306, 121360, 127280, 130462, 141040, 188108, 197284, 218612, 235135, 246605, 260924, 273265, 326155, 376216, 394568, 437224, 470270, 493210, 521848, 546530, 652310, 752432, 789136, 874448, 940540, 986420, 1043696, 1093060, 1304620, 1881080, 1972840, 2022161, 2186120, 2609240, 3762160, 3945680, 4044322, 4372240, 5218480, 8088644, 10110805, 16177288, 20221610, 32354576, 40443220, 80886440, 161772880]

約数ペア:

[(1, 161772880), (2, 80886440), (4, 40443220), (5, 32354576), (8, 20221610), (10, 16177288), (16, 10110805), (20, 8088644), (31, 5218480), (37, 4372240), (40, 4044322), (41, 3945680), (43, 3762160), (62, 2609240), (74, 2186120), (80, 2022161), (82, 1972840), (86, 1881080), (124, 1304620), (148, 1093060), (155, 1043696), (164, 986420), (172, 940540), (185, 874448), (205, 789136), (215, 752432), (248, 652310), (296, 546530), (310, 521848), (328, 493210), (344, 470270), (370, 437224), (410, 394568), (430, 376216), (496, 326155), (592, 273265), (620, 260924), (656, 246605), (688, 235135), (740, 218612), (820, 197284), (860, 188108), (1147, 141040), (1240, 130462), (1271, 127280), (1333, 121360), (1480, 109306), (1517, 106640), (1591, 101680), (1640, 98642), (1720, 94054), (1763, 91760), (2294, 70520), (2480, 65231), (2542, 63640), (2666, 60680), (2960, 54653), (3034, 53320), (3182, 50840), (3280, 49321), (3440, 47027), (3526, 45880), (4588, 35260), (5084, 31820), (5332, 30340), (5735, 28208), (6068, 26660), (6355, 25456), (6364, 25420), (6665, 24272), (7052, 22940), (7585, 21328), (7955, 20336), (8815, 18352), (9176, 17630), (10168, 15910), (10664, 15170), (11470, 14104), (12136, 13330), (12710, 12728)]