78773940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:742

約数の個数: 144

約数和(自身を含む): 276232320

約数和(自身を除く): 197458380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 101, 105, 126, 140, 180, 202, 210, 252, 303, 315, 404, 420, 505, 606, 619, 630, 707, 909, 1010, 1212, 1238, 1260, 1414, 1515, 1818, 1857, 2020, 2121, 2476, 2828, 3030, 3095, 3535, 3636, 3714, 4242, 4333, 4545, 5571, 6060, 6190, 6363, 7070, 7428, 8484, 8666, 9090, 9285, 10605, 11142, 12380, 12726, 12999, 14140, 17332, 18180, 18570, 21210, 21665, 22284, 25452, 25998, 27855, 31815, 37140, 38997, 42420, 43330, 51996, 55710, 62519, 63630, 64995, 77994, 86660, 111420, 125038, 127260, 129990, 155988, 187557, 194985, 250076, 259980, 312595, 375114, 389970, 437633, 562671, 625190, 750228, 779940, 875266, 937785, 1125342, 1250380, 1312899, 1750532, 1875570, 2188165, 2250684, 2625798, 2813355, 3751140, 3938697, 4376330, 5251596, 5626710, 6564495, 7877394, 8752660, 11253420, 13128990, 15754788, 19693485, 26257980, 39386970, 78773940]

約数ペア:

[(1, 78773940), (2, 39386970), (3, 26257980), (4, 19693485), (5, 15754788), (6, 13128990), (7, 11253420), (9, 8752660), (10, 7877394), (12, 6564495), (14, 5626710), (15, 5251596), (18, 4376330), (20, 3938697), (21, 3751140), (28, 2813355), (30, 2625798), (35, 2250684), (36, 2188165), (42, 1875570), (45, 1750532), (60, 1312899), (63, 1250380), (70, 1125342), (84, 937785), (90, 875266), (101, 779940), (105, 750228), (126, 625190), (140, 562671), (180, 437633), (202, 389970), (210, 375114), (252, 312595), (303, 259980), (315, 250076), (404, 194985), (420, 187557), (505, 155988), (606, 129990), (619, 127260), (630, 125038), (707, 111420), (909, 86660), (1010, 77994), (1212, 64995), (1238, 63630), (1260, 62519), (1414, 55710), (1515, 51996), (1818, 43330), (1857, 42420), (2020, 38997), (2121, 37140), (2476, 31815), (2828, 27855), (3030, 25998), (3095, 25452), (3535, 22284), (3636, 21665), (3714, 21210), (4242, 18570), (4333, 18180), (4545, 17332), (5571, 14140), (6060, 12999), (6190, 12726), (6363, 12380), (7070, 11142), (7428, 10605), (8484, 9285), (8666, 9090)]