121899560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 283046400

約数和(自身を除く): 161146840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 239, 311, 328, 410, 478, 622, 820, 956, 1195, 1244, 1555, 1640, 1912, 2390, 2488, 3110, 4780, 6220, 9560, 9799, 12440, 12751, 19598, 25502, 39196, 48995, 51004, 63755, 74329, 78392, 97990, 102008, 127510, 148658, 195980, 255020, 297316, 371645, 391960, 510040, 594632, 743290, 1486580, 2973160, 3047489, 6094978, 12189956, 15237445, 24379912, 30474890, 60949780, 121899560]

約数ペア:

[(1, 121899560), (2, 60949780), (4, 30474890), (5, 24379912), (8, 15237445), (10, 12189956), (20, 6094978), (40, 3047489), (41, 2973160), (82, 1486580), (164, 743290), (205, 594632), (239, 510040), (311, 391960), (328, 371645), (410, 297316), (478, 255020), (622, 195980), (820, 148658), (956, 127510), (1195, 102008), (1244, 97990), (1555, 78392), (1640, 74329), (1912, 63755), (2390, 51004), (2488, 48995), (3110, 39196), (4780, 25502), (6220, 19598), (9560, 12751), (9799, 12440)]