15240940

素因数分解:

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

素因数の和:179

約数の個数: 72

約数和(自身を含む): 38123568

約数和(自身を除く): 22882628

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 73, 110, 130, 143, 146, 220, 260, 286, 292, 365, 572, 715, 730, 803, 949, 1430, 1460, 1606, 1898, 2860, 3212, 3796, 4015, 4745, 5329, 8030, 9490, 10439, 10658, 16060, 18980, 20878, 21316, 26645, 41756, 52195, 53290, 58619, 69277, 104390, 106580, 117238, 138554, 208780, 234476, 277108, 293095, 346385, 586190, 692770, 762047, 1172380, 1385540, 1524094, 3048188, 3810235, 7620470, 15240940]

約数ペア:

[(1, 15240940), (2, 7620470), (4, 3810235), (5, 3048188), (10, 1524094), (11, 1385540), (13, 1172380), (20, 762047), (22, 692770), (26, 586190), (44, 346385), (52, 293095), (55, 277108), (65, 234476), (73, 208780), (110, 138554), (130, 117238), (143, 106580), (146, 104390), (220, 69277), (260, 58619), (286, 53290), (292, 52195), (365, 41756), (572, 26645), (715, 21316), (730, 20878), (803, 18980), (949, 16060), (1430, 10658), (1460, 10439), (1606, 9490), (1898, 8030), (2860, 5329), (3212, 4745), (3796, 4015)]