388044540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:529

約数の個数: 192

約数和(自身を含む): 1311851520

約数和(自身を除く): 923806980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 167, 180, 195, 234, 260, 270, 331, 334, 351, 390, 468, 501, 540, 585, 662, 668, 702, 780, 835, 993, 1002, 1170, 1324, 1404, 1503, 1655, 1670, 1755, 1986, 2004, 2171, 2340, 2505, 2979, 3006, 3310, 3340, 3510, 3972, 4303, 4342, 4509, 4965, 5010, 5958, 6012, 6513, 6620, 7020, 7515, 8606, 8684, 8937, 9018, 9930, 10020, 10855, 11916, 12909, 13026, 14895, 15030, 17212, 17874, 18036, 19539, 19860, 21515, 21710, 22545, 25818, 26052, 29790, 30060, 32565, 35748, 38727, 39078, 43030, 43420, 44685, 45090, 51636, 55277, 58617, 59580, 64545, 65130, 77454, 78156, 86060, 89370, 90180, 97695, 110554, 116181, 117234, 129090, 130260, 154908, 165831, 178740, 193635, 195390, 221108, 232362, 234468, 258180, 276385, 293085, 331662, 387270, 390780, 464724, 497493, 552770, 580905, 586170, 663324, 718601, 774540, 829155, 994986, 1105540, 1161810, 1172340, 1437202, 1492479, 1658310, 1989972, 2155803, 2323620, 2487465, 2874404, 2984958, 3316620, 3593005, 4311606, 4974930, 5969916, 6467409, 7186010, 7462395, 8623212, 9949860, 10779015, 12934818, 14372020, 14924790, 19402227, 21558030, 25869636, 29849580, 32337045, 38804454, 43116060, 64674090, 77608908, 97011135, 129348180, 194022270, 388044540]

約数ペア:

[(1, 388044540), (2, 194022270), (3, 129348180), (4, 97011135), (5, 77608908), (6, 64674090), (9, 43116060), (10, 38804454), (12, 32337045), (13, 29849580), (15, 25869636), (18, 21558030), (20, 19402227), (26, 14924790), (27, 14372020), (30, 12934818), (36, 10779015), (39, 9949860), (45, 8623212), (52, 7462395), (54, 7186010), (60, 6467409), (65, 5969916), (78, 4974930), (90, 4311606), (108, 3593005), (117, 3316620), (130, 2984958), (135, 2874404), (156, 2487465), (167, 2323620), (180, 2155803), (195, 1989972), (234, 1658310), (260, 1492479), (270, 1437202), (331, 1172340), (334, 1161810), (351, 1105540), (390, 994986), (468, 829155), (501, 774540), (540, 718601), (585, 663324), (662, 586170), (668, 580905), (702, 552770), (780, 497493), (835, 464724), (993, 390780), (1002, 387270), (1170, 331662), (1324, 293085), (1404, 276385), (1503, 258180), (1655, 234468), (1670, 232362), (1755, 221108), (1986, 195390), (2004, 193635), (2171, 178740), (2340, 165831), (2505, 154908), (2979, 130260), (3006, 129090), (3310, 117234), (3340, 116181), (3510, 110554), (3972, 97695), (4303, 90180), (4342, 89370), (4509, 86060), (4965, 78156), (5010, 77454), (5958, 65130), (6012, 64545), (6513, 59580), (6620, 58617), (7020, 55277), (7515, 51636), (8606, 45090), (8684, 44685), (8937, 43420), (9018, 43030), (9930, 39078), (10020, 38727), (10855, 35748), (11916, 32565), (12909, 30060), (13026, 29790), (14895, 26052), (15030, 25818), (17212, 22545), (17874, 21710), (18036, 21515), (19539, 19860)]