161291760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 320

約数和(自身を含む): 624721920

約数和(自身を除く): 463430160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 48, 56, 57, 60, 62, 70, 76, 80, 84, 93, 95, 105, 112, 114, 120, 124, 133, 140, 152, 155, 163, 168, 186, 190, 210, 217, 228, 240, 248, 266, 280, 285, 304, 310, 326, 336, 372, 380, 399, 420, 434, 456, 465, 489, 496, 532, 560, 570, 589, 620, 651, 652, 665, 744, 760, 798, 815, 840, 868, 912, 930, 978, 1064, 1085, 1140, 1141, 1178, 1240, 1302, 1304, 1330, 1488, 1520, 1596, 1630, 1680, 1736, 1767, 1860, 1956, 1995, 2128, 2170, 2280, 2282, 2356, 2445, 2480, 2604, 2608, 2660, 2945, 3097, 3192, 3255, 3260, 3423, 3472, 3534, 3720, 3912, 3990, 4123, 4340, 4560, 4564, 4712, 4890, 5053, 5208, 5320, 5705, 5890, 6194, 6384, 6510, 6520, 6846, 7068, 7440, 7824, 7980, 8246, 8680, 8835, 9128, 9291, 9424, 9780, 10106, 10416, 10640, 11410, 11780, 12369, 12388, 13020, 13040, 13692, 14136, 15159, 15485, 15960, 16492, 17115, 17360, 17670, 18256, 18582, 19560, 20212, 20615, 21679, 22820, 23560, 24738, 24776, 25265, 26040, 27384, 28272, 30318, 30970, 31920, 32984, 34230, 35340, 35371, 37164, 39120, 40424, 41230, 43358, 45640, 46455, 47120, 49476, 49552, 50530, 52080, 54768, 60636, 61845, 61940, 65037, 65968, 68460, 70680, 70742, 74328, 75795, 80848, 82460, 86716, 91280, 92910, 96007, 98952, 101060, 106113, 108395, 121272, 123690, 123880, 130074, 136920, 141360, 141484, 148656, 151590, 164920, 173432, 176855, 185820, 192014, 197904, 202120, 212226, 216790, 242544, 247380, 247760, 260148, 273840, 282968, 288021, 303180, 325185, 329840, 346864, 353710, 371640, 384028, 404240, 424452, 433580, 480035, 494760, 520296, 530565, 565936, 576042, 606360, 650370, 672049, 707420, 743280, 768056, 848904, 867160, 960070, 989520, 1040592, 1061130, 1152084, 1212720, 1300740, 1344098, 1414840, 1440105, 1536112, 1697808, 1734320, 1920140, 2016147, 2122260, 2304168, 2601480, 2688196, 2829680, 2880210, 3360245, 3840280, 4032294, 4244520, 4608336, 5202960, 5376392, 5760420, 6720490, 7680560, 8064588, 8489040, 10080735, 10752784, 11520840, 13440980, 16129176, 20161470, 23041680, 26881960, 32258352, 40322940, 53763920, 80645880, 161291760]

約数ペア:

[(1, 161291760), (2, 80645880), (3, 53763920), (4, 40322940), (5, 32258352), (6, 26881960), (7, 23041680), (8, 20161470), (10, 16129176), (12, 13440980), (14, 11520840), (15, 10752784), (16, 10080735), (19, 8489040), (20, 8064588), (21, 7680560), (24, 6720490), (28, 5760420), (30, 5376392), (31, 5202960), (35, 4608336), (38, 4244520), (40, 4032294), (42, 3840280), (48, 3360245), (56, 2880210), (57, 2829680), (60, 2688196), (62, 2601480), (70, 2304168), (76, 2122260), (80, 2016147), (84, 1920140), (93, 1734320), (95, 1697808), (105, 1536112), (112, 1440105), (114, 1414840), (120, 1344098), (124, 1300740), (133, 1212720), (140, 1152084), (152, 1061130), (155, 1040592), (163, 989520), (168, 960070), (186, 867160), (190, 848904), (210, 768056), (217, 743280), (228, 707420), (240, 672049), (248, 650370), (266, 606360), (280, 576042), (285, 565936), (304, 530565), (310, 520296), (326, 494760), (336, 480035), (372, 433580), (380, 424452), (399, 404240), (420, 384028), (434, 371640), (456, 353710), (465, 346864), (489, 329840), (496, 325185), (532, 303180), (560, 288021), (570, 282968), (589, 273840), (620, 260148), (651, 247760), (652, 247380), (665, 242544), (744, 216790), (760, 212226), (798, 202120), (815, 197904), (840, 192014), (868, 185820), (912, 176855), (930, 173432), (978, 164920), (1064, 151590), (1085, 148656), (1140, 141484), (1141, 141360), (1178, 136920), (1240, 130074), (1302, 123880), (1304, 123690), (1330, 121272), (1488, 108395), (1520, 106113), (1596, 101060), (1630, 98952), (1680, 96007), (1736, 92910), (1767, 91280), (1860, 86716), (1956, 82460), (1995, 80848), (2128, 75795), (2170, 74328), (2280, 70742), (2282, 70680), (2356, 68460), (2445, 65968), (2480, 65037), (2604, 61940), (2608, 61845), (2660, 60636), (2945, 54768), (3097, 52080), (3192, 50530), (3255, 49552), (3260, 49476), (3423, 47120), (3472, 46455), (3534, 45640), (3720, 43358), (3912, 41230), (3990, 40424), (4123, 39120), (4340, 37164), (4560, 35371), (4564, 35340), (4712, 34230), (4890, 32984), (5053, 31920), (5208, 30970), (5320, 30318), (5705, 28272), (5890, 27384), (6194, 26040), (6384, 25265), (6510, 24776), (6520, 24738), (6846, 23560), (7068, 22820), (7440, 21679), (7824, 20615), (7980, 20212), (8246, 19560), (8680, 18582), (8835, 18256), (9128, 17670), (9291, 17360), (9424, 17115), (9780, 16492), (10106, 15960), (10416, 15485), (10640, 15159), (11410, 14136), (11780, 13692), (12369, 13040), (12388, 13020)]