80281320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3083}}^1$

素因数の和:3135

約数の個数: 128

約数和(自身を含む): 284221440

約数和(自身を除く): 203940120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3083, 3255, 3720, 4340, 5208, 6166, 6510, 8680, 9249, 12332, 13020, 15415, 18498, 21581, 24664, 26040, 30830, 36996, 43162, 46245, 61660, 64743, 73992, 86324, 92490, 95573, 107905, 123320, 129486, 172648, 184980, 191146, 215810, 258972, 286719, 323715, 369960, 382292, 431620, 477865, 517944, 573438, 647430, 669011, 764584, 863240, 955730, 1146876, 1294860, 1338022, 1433595, 1911460, 2007033, 2293752, 2589720, 2676044, 2867190, 3345055, 3822920, 4014066, 5352088, 5734380, 6690110, 8028132, 10035165, 11468760, 13380220, 16056264, 20070330, 26760440, 40140660, 80281320]

約数ペア:

[(1, 80281320), (2, 40140660), (3, 26760440), (4, 20070330), (5, 16056264), (6, 13380220), (7, 11468760), (8, 10035165), (10, 8028132), (12, 6690110), (14, 5734380), (15, 5352088), (20, 4014066), (21, 3822920), (24, 3345055), (28, 2867190), (30, 2676044), (31, 2589720), (35, 2293752), (40, 2007033), (42, 1911460), (56, 1433595), (60, 1338022), (62, 1294860), (70, 1146876), (84, 955730), (93, 863240), (105, 764584), (120, 669011), (124, 647430), (140, 573438), (155, 517944), (168, 477865), (186, 431620), (210, 382292), (217, 369960), (248, 323715), (280, 286719), (310, 258972), (372, 215810), (420, 191146), (434, 184980), (465, 172648), (620, 129486), (651, 123320), (744, 107905), (840, 95573), (868, 92490), (930, 86324), (1085, 73992), (1240, 64743), (1302, 61660), (1736, 46245), (1860, 43162), (2170, 36996), (2604, 30830), (3083, 26040), (3255, 24664), (3720, 21581), (4340, 18498), (5208, 15415), (6166, 13020), (6510, 12332), (8680, 9249)]