80645880

素因数分解:

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

素因数の和:234

約数の個数: 256

約数和(自身を含む): 302284800

約数和(自身を除く): 221638920

約数列:

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

約数ペア:

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