18815520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39199}}^1$

素因数の和:39217

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 40454880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39199, 78398, 117597, 156796, 195995, 235194, 313592, 391990, 470388, 587985, 627184, 783980, 940776, 1175970, 1254368, 1567960, 1881552, 2351940, 3135920, 3763104, 4703880, 6271840, 9407760, 18815520]

約数ペア:

[(1, 18815520), (2, 9407760), (3, 6271840), (4, 4703880), (5, 3763104), (6, 3135920), (8, 2351940), (10, 1881552), (12, 1567960), (15, 1254368), (16, 1175970), (20, 940776), (24, 783980), (30, 627184), (32, 587985), (40, 470388), (48, 391990), (60, 313592), (80, 235194), (96, 195995), (120, 156796), (160, 117597), (240, 78398), (480, 39199)]