51296940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 166682880

約数和(自身を除く): 115385940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 317, 348, 372, 435, 465, 522, 558, 580, 620, 634, 870, 899, 930, 951, 1044, 1116, 1268, 1305, 1395, 1585, 1740, 1798, 1860, 1902, 2610, 2697, 2790, 2853, 3170, 3596, 3804, 4495, 4755, 5220, 5394, 5580, 5706, 6340, 8091, 8990, 9193, 9510, 9827, 10788, 11412, 13485, 14265, 16182, 17980, 18386, 19020, 19654, 26970, 27579, 28530, 29481, 32364, 36772, 39308, 40455, 45965, 49135, 53940, 55158, 57060, 58962, 80910, 82737, 88443, 91930, 98270, 110316, 117924, 137895, 147405, 161820, 165474, 176886, 183860, 196540, 275790, 284983, 294810, 330948, 353772, 413685, 442215, 551580, 569966, 589620, 827370, 854949, 884430, 1139932, 1424915, 1654740, 1709898, 1768860, 2564847, 2849830, 3419796, 4274745, 5129694, 5699660, 8549490, 10259388, 12824235, 17098980, 25648470, 51296940]

約数ペア:

[(1, 51296940), (2, 25648470), (3, 17098980), (4, 12824235), (5, 10259388), (6, 8549490), (9, 5699660), (10, 5129694), (12, 4274745), (15, 3419796), (18, 2849830), (20, 2564847), (29, 1768860), (30, 1709898), (31, 1654740), (36, 1424915), (45, 1139932), (58, 884430), (60, 854949), (62, 827370), (87, 589620), (90, 569966), (93, 551580), (116, 442215), (124, 413685), (145, 353772), (155, 330948), (174, 294810), (180, 284983), (186, 275790), (261, 196540), (279, 183860), (290, 176886), (310, 165474), (317, 161820), (348, 147405), (372, 137895), (435, 117924), (465, 110316), (522, 98270), (558, 91930), (580, 88443), (620, 82737), (634, 80910), (870, 58962), (899, 57060), (930, 55158), (951, 53940), (1044, 49135), (1116, 45965), (1268, 40455), (1305, 39308), (1395, 36772), (1585, 32364), (1740, 29481), (1798, 28530), (1860, 27579), (1902, 26970), (2610, 19654), (2697, 19020), (2790, 18386), (2853, 17980), (3170, 16182), (3596, 14265), (3804, 13485), (4495, 11412), (4755, 10788), (5220, 9827), (5394, 9510), (5580, 9193), (5706, 8990), (6340, 8091)]