30485960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 72802800

約数和(自身を除く): 42316840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 641, 820, 1160, 1189, 1282, 1640, 2378, 2564, 3205, 4756, 5128, 5945, 6410, 9512, 11890, 12820, 18589, 23780, 25640, 26281, 37178, 47560, 52562, 74356, 92945, 105124, 131405, 148712, 185890, 210248, 262810, 371780, 525620, 743560, 762149, 1051240, 1524298, 3048596, 3810745, 6097192, 7621490, 15242980, 30485960]

約数ペア:

[(1, 30485960), (2, 15242980), (4, 7621490), (5, 6097192), (8, 3810745), (10, 3048596), (20, 1524298), (29, 1051240), (40, 762149), (41, 743560), (58, 525620), (82, 371780), (116, 262810), (145, 210248), (164, 185890), (205, 148712), (232, 131405), (290, 105124), (328, 92945), (410, 74356), (580, 52562), (641, 47560), (820, 37178), (1160, 26281), (1189, 25640), (1282, 23780), (1640, 18589), (2378, 12820), (2564, 11890), (3205, 9512), (4756, 6410), (5128, 5945)]