30481880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^2$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 81693360

約数和(自身を除く): 51211480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 73, 88, 104, 110, 130, 143, 146, 220, 260, 286, 292, 365, 440, 520, 572, 584, 715, 730, 803, 949, 1144, 1430, 1460, 1606, 1898, 2860, 2920, 3212, 3796, 4015, 4745, 5329, 5720, 6424, 7592, 8030, 9490, 10439, 10658, 16060, 18980, 20878, 21316, 26645, 32120, 37960, 41756, 42632, 52195, 53290, 58619, 69277, 83512, 104390, 106580, 117238, 138554, 208780, 213160, 234476, 277108, 293095, 346385, 417560, 468952, 554216, 586190, 692770, 762047, 1172380, 1385540, 1524094, 2344760, 2771080, 3048188, 3810235, 6096376, 7620470, 15240940, 30481880]

約数ペア:

[(1, 30481880), (2, 15240940), (4, 7620470), (5, 6096376), (8, 3810235), (10, 3048188), (11, 2771080), (13, 2344760), (20, 1524094), (22, 1385540), (26, 1172380), (40, 762047), (44, 692770), (52, 586190), (55, 554216), (65, 468952), (73, 417560), (88, 346385), (104, 293095), (110, 277108), (130, 234476), (143, 213160), (146, 208780), (220, 138554), (260, 117238), (286, 106580), (292, 104390), (365, 83512), (440, 69277), (520, 58619), (572, 53290), (584, 52195), (715, 42632), (730, 41756), (803, 37960), (949, 32120), (1144, 26645), (1430, 21316), (1460, 20878), (1606, 18980), (1898, 16060), (2860, 10658), (2920, 10439), (3212, 9490), (3796, 8030), (4015, 7592), (4745, 6424), (5329, 5720)]