281995920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{391661}}^1$

素因数の和:391680

約数の個数: 60

約数和(自身を含む): 947038716

約数和(自身を除く): 665042796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 391661, 783322, 1174983, 1566644, 1958305, 2349966, 3133288, 3524949, 3916610, 4699932, 5874915, 6266576, 7049898, 7833220, 9399864, 11749830, 14099796, 15666440, 17624745, 18799728, 23499660, 28199592, 31332880, 35249490, 46999320, 56399184, 70498980, 93998640, 140997960, 281995920]

約数ペア:

[(1, 281995920), (2, 140997960), (3, 93998640), (4, 70498980), (5, 56399184), (6, 46999320), (8, 35249490), (9, 31332880), (10, 28199592), (12, 23499660), (15, 18799728), (16, 17624745), (18, 15666440), (20, 14099796), (24, 11749830), (30, 9399864), (36, 7833220), (40, 7049898), (45, 6266576), (48, 5874915), (60, 4699932), (72, 3916610), (80, 3524949), (90, 3133288), (120, 2349966), (144, 1958305), (180, 1566644), (240, 1174983), (360, 783322), (720, 391661)]