71146240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 193084416

約数和(自身を除く): 121938176

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, 163, 176, 220, 248, 256, 310, 320, 326, 341, 352, 440, 496, 620, 640, 652, 682, 704, 815, 880, 992, 1240, 1280, 1304, 1364, 1408, 1630, 1705, 1760, 1793, 1984, 2480, 2608, 2728, 2816, 3260, 3410, 3520, 3586, 3968, 4960, 5053, 5216, 5456, 6520, 6820, 7040, 7172, 7936, 8965, 9920, 10106, 10432, 10912, 13040, 13640, 14080, 14344, 17930, 19840, 20212, 20864, 21824, 25265, 26080, 27280, 28688, 35860, 39680, 40424, 41728, 43648, 50530, 52160, 54560, 55583, 57376, 71720, 80848, 87296, 101060, 104320, 109120, 111166, 114752, 143440, 161696, 202120, 208640, 218240, 222332, 229504, 277915, 286880, 323392, 404240, 436480, 444664, 459008, 555830, 573760, 646784, 808480, 889328, 1111660, 1147520, 1293568, 1616960, 1778656, 2223320, 2295040, 3233920, 3557312, 4446640, 6467840, 7114624, 8893280, 14229248, 17786560, 35573120, 71146240]

約数ペア:

[(1, 71146240), (2, 35573120), (4, 17786560), (5, 14229248), (8, 8893280), (10, 7114624), (11, 6467840), (16, 4446640), (20, 3557312), (22, 3233920), (31, 2295040), (32, 2223320), (40, 1778656), (44, 1616960), (55, 1293568), (62, 1147520), (64, 1111660), (80, 889328), (88, 808480), (110, 646784), (124, 573760), (128, 555830), (155, 459008), (160, 444664), (163, 436480), (176, 404240), (220, 323392), (248, 286880), (256, 277915), (310, 229504), (320, 222332), (326, 218240), (341, 208640), (352, 202120), (440, 161696), (496, 143440), (620, 114752), (640, 111166), (652, 109120), (682, 104320), (704, 101060), (815, 87296), (880, 80848), (992, 71720), (1240, 57376), (1280, 55583), (1304, 54560), (1364, 52160), (1408, 50530), (1630, 43648), (1705, 41728), (1760, 40424), (1793, 39680), (1984, 35860), (2480, 28688), (2608, 27280), (2728, 26080), (2816, 25265), (3260, 21824), (3410, 20864), (3520, 20212), (3586, 19840), (3968, 17930), (4960, 14344), (5053, 14080), (5216, 13640), (5456, 13040), (6520, 10912), (6820, 10432), (7040, 10106), (7172, 9920), (7936, 8965)]