78737580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 248609088

約数和(自身を除く): 169871508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 71, 90, 101, 122, 142, 180, 183, 202, 213, 244, 284, 303, 305, 355, 366, 404, 426, 505, 549, 606, 610, 639, 710, 732, 852, 909, 915, 1010, 1065, 1098, 1212, 1220, 1278, 1420, 1515, 1818, 1830, 2020, 2130, 2196, 2556, 2745, 3030, 3195, 3636, 3660, 4260, 4331, 4545, 5490, 6060, 6161, 6390, 7171, 8662, 9090, 10980, 12322, 12780, 12993, 14342, 17324, 18180, 18483, 21513, 21655, 24644, 25986, 28684, 30805, 35855, 36966, 38979, 43026, 43310, 51972, 55449, 61610, 64539, 64965, 71710, 73932, 77958, 86052, 86620, 92415, 107565, 110898, 123220, 129078, 129930, 143420, 155916, 184830, 194895, 215130, 221796, 258156, 259860, 277245, 322695, 369660, 389790, 430260, 437431, 554490, 645390, 779580, 874862, 1108980, 1290780, 1312293, 1749724, 2187155, 2624586, 3936879, 4374310, 5249172, 6561465, 7873758, 8748620, 13122930, 15747516, 19684395, 26245860, 39368790, 78737580]

約数ペア:

[(1, 78737580), (2, 39368790), (3, 26245860), (4, 19684395), (5, 15747516), (6, 13122930), (9, 8748620), (10, 7873758), (12, 6561465), (15, 5249172), (18, 4374310), (20, 3936879), (30, 2624586), (36, 2187155), (45, 1749724), (60, 1312293), (61, 1290780), (71, 1108980), (90, 874862), (101, 779580), (122, 645390), (142, 554490), (180, 437431), (183, 430260), (202, 389790), (213, 369660), (244, 322695), (284, 277245), (303, 259860), (305, 258156), (355, 221796), (366, 215130), (404, 194895), (426, 184830), (505, 155916), (549, 143420), (606, 129930), (610, 129078), (639, 123220), (710, 110898), (732, 107565), (852, 92415), (909, 86620), (915, 86052), (1010, 77958), (1065, 73932), (1098, 71710), (1212, 64965), (1220, 64539), (1278, 61610), (1420, 55449), (1515, 51972), (1818, 43310), (1830, 43026), (2020, 38979), (2130, 36966), (2196, 35855), (2556, 30805), (2745, 28684), (3030, 25986), (3195, 24644), (3636, 21655), (3660, 21513), (4260, 18483), (4331, 18180), (4545, 17324), (5490, 14342), (6060, 12993), (6161, 12780), (6390, 12322), (7171, 10980), (8662, 9090)]