256212810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 793877760

約数和(自身を除く): 537664950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 59, 61, 63, 70, 90, 105, 113, 118, 122, 126, 177, 183, 210, 226, 295, 305, 315, 339, 354, 366, 413, 427, 531, 549, 565, 590, 610, 630, 678, 791, 826, 854, 885, 915, 1017, 1062, 1098, 1130, 1239, 1281, 1582, 1695, 1770, 1830, 2034, 2065, 2135, 2373, 2478, 2562, 2655, 2745, 3390, 3599, 3717, 3843, 3955, 4130, 4270, 4746, 5085, 5310, 5490, 6195, 6405, 6667, 6893, 7119, 7198, 7434, 7686, 7910, 10170, 10797, 11865, 12390, 12810, 13334, 13786, 14238, 17995, 18585, 19215, 20001, 20679, 21594, 23730, 25193, 32391, 33335, 34465, 35595, 35990, 37170, 38430, 40002, 41358, 46669, 48251, 50386, 53985, 60003, 62037, 64782, 66670, 68930, 71190, 75579, 93338, 96502, 100005, 103395, 107970, 120006, 124074, 125965, 140007, 144753, 151158, 161955, 200010, 206790, 226737, 233345, 241255, 251930, 280014, 289506, 300015, 310185, 323910, 377895, 406687, 420021, 434259, 453474, 466690, 482510, 600030, 620370, 700035, 723765, 755790, 813374, 840042, 868518, 1133685, 1220061, 1400070, 1447530, 2033435, 2100105, 2171295, 2267370, 2440122, 2846809, 3660183, 4066870, 4200210, 4342590, 5693618, 6100305, 7320366, 8540427, 12200610, 14234045, 17080854, 18300915, 25621281, 28468090, 36601830, 42702135, 51242562, 85404270, 128106405, 256212810]

約数ペア:

[(1, 256212810), (2, 128106405), (3, 85404270), (5, 51242562), (6, 42702135), (7, 36601830), (9, 28468090), (10, 25621281), (14, 18300915), (15, 17080854), (18, 14234045), (21, 12200610), (30, 8540427), (35, 7320366), (42, 6100305), (45, 5693618), (59, 4342590), (61, 4200210), (63, 4066870), (70, 3660183), (90, 2846809), (105, 2440122), (113, 2267370), (118, 2171295), (122, 2100105), (126, 2033435), (177, 1447530), (183, 1400070), (210, 1220061), (226, 1133685), (295, 868518), (305, 840042), (315, 813374), (339, 755790), (354, 723765), (366, 700035), (413, 620370), (427, 600030), (531, 482510), (549, 466690), (565, 453474), (590, 434259), (610, 420021), (630, 406687), (678, 377895), (791, 323910), (826, 310185), (854, 300015), (885, 289506), (915, 280014), (1017, 251930), (1062, 241255), (1098, 233345), (1130, 226737), (1239, 206790), (1281, 200010), (1582, 161955), (1695, 151158), (1770, 144753), (1830, 140007), (2034, 125965), (2065, 124074), (2135, 120006), (2373, 107970), (2478, 103395), (2562, 100005), (2655, 96502), (2745, 93338), (3390, 75579), (3599, 71190), (3717, 68930), (3843, 66670), (3955, 64782), (4130, 62037), (4270, 60003), (4746, 53985), (5085, 50386), (5310, 48251), (5490, 46669), (6195, 41358), (6405, 40002), (6667, 38430), (6893, 37170), (7119, 35990), (7198, 35595), (7434, 34465), (7686, 33335), (7910, 32391), (10170, 25193), (10797, 23730), (11865, 21594), (12390, 20679), (12810, 20001), (13334, 19215), (13786, 18585), (14238, 17995)]