30781180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 67878720

約数和(自身を除く): 37097540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 727, 730, 1454, 1460, 2117, 2908, 3635, 4234, 7270, 8468, 10585, 14540, 21083, 21170, 42166, 42340, 53071, 84332, 105415, 106142, 210830, 212284, 265355, 421660, 530710, 1061420, 1539059, 3078118, 6156236, 7695295, 15390590, 30781180]

約数ペア:

[(1, 30781180), (2, 15390590), (4, 7695295), (5, 6156236), (10, 3078118), (20, 1539059), (29, 1061420), (58, 530710), (73, 421660), (116, 265355), (145, 212284), (146, 210830), (290, 106142), (292, 105415), (365, 84332), (580, 53071), (727, 42340), (730, 42166), (1454, 21170), (1460, 21083), (2117, 14540), (2908, 10585), (3635, 8468), (4234, 7270)]