74987920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 200344320

約数和(自身を除く): 125356400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 359, 373, 560, 718, 746, 1436, 1492, 1795, 1865, 2513, 2611, 2872, 2984, 3590, 3730, 5026, 5222, 5744, 5968, 7180, 7460, 10052, 10444, 12565, 13055, 14360, 14920, 20104, 20888, 25130, 26110, 28720, 29840, 40208, 41776, 50260, 52220, 100520, 104440, 133907, 201040, 208880, 267814, 535628, 669535, 937349, 1071256, 1339070, 1874698, 2142512, 2678140, 3749396, 4686745, 5356280, 7498792, 9373490, 10712560, 14997584, 18746980, 37493960, 74987920]

約数ペア:

[(1, 74987920), (2, 37493960), (4, 18746980), (5, 14997584), (7, 10712560), (8, 9373490), (10, 7498792), (14, 5356280), (16, 4686745), (20, 3749396), (28, 2678140), (35, 2142512), (40, 1874698), (56, 1339070), (70, 1071256), (80, 937349), (112, 669535), (140, 535628), (280, 267814), (359, 208880), (373, 201040), (560, 133907), (718, 104440), (746, 100520), (1436, 52220), (1492, 50260), (1795, 41776), (1865, 40208), (2513, 29840), (2611, 28720), (2872, 26110), (2984, 25130), (3590, 20888), (3730, 20104), (5026, 14920), (5222, 14360), (5744, 13055), (5968, 12565), (7180, 10444), (7460, 10052)]