159639220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 375661440

約数和(自身を除く): 216022220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 109, 130, 131, 172, 215, 218, 260, 262, 430, 436, 524, 545, 559, 655, 860, 1090, 1118, 1310, 1417, 1703, 2180, 2236, 2620, 2795, 2834, 3406, 4687, 5590, 5633, 5668, 6812, 7085, 8515, 9374, 11180, 11266, 14170, 14279, 17030, 18748, 22532, 23435, 28165, 28340, 28558, 34060, 46870, 56330, 57116, 60931, 71395, 73229, 93740, 112660, 121862, 142790, 146458, 185627, 243724, 285580, 292916, 304655, 366145, 371254, 609310, 613997, 732290, 742508, 928135, 1218620, 1227994, 1464580, 1856270, 2455988, 3069985, 3712540, 6139970, 7981961, 12279940, 15963922, 31927844, 39909805, 79819610, 159639220]

約数ペア:

[(1, 159639220), (2, 79819610), (4, 39909805), (5, 31927844), (10, 15963922), (13, 12279940), (20, 7981961), (26, 6139970), (43, 3712540), (52, 3069985), (65, 2455988), (86, 1856270), (109, 1464580), (130, 1227994), (131, 1218620), (172, 928135), (215, 742508), (218, 732290), (260, 613997), (262, 609310), (430, 371254), (436, 366145), (524, 304655), (545, 292916), (559, 285580), (655, 243724), (860, 185627), (1090, 146458), (1118, 142790), (1310, 121862), (1417, 112660), (1703, 93740), (2180, 73229), (2236, 71395), (2620, 60931), (2795, 57116), (2834, 56330), (3406, 46870), (4687, 34060), (5590, 28558), (5633, 28340), (5668, 28165), (6812, 23435), (7085, 22532), (8515, 18748), (9374, 17030), (11180, 14279), (11266, 14170)]