72001040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 104773360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 109, 115, 184, 218, 230, 359, 368, 436, 460, 545, 718, 872, 920, 1090, 1436, 1744, 1795, 1840, 2180, 2507, 2872, 3590, 4360, 5014, 5744, 7180, 8257, 8720, 10028, 12535, 14360, 16514, 20056, 25070, 28720, 33028, 39131, 40112, 41285, 50140, 66056, 78262, 82570, 100280, 132112, 156524, 165140, 195655, 200560, 313048, 330280, 391310, 626096, 660560, 782620, 900013, 1565240, 1800026, 3130480, 3600052, 4500065, 7200104, 9000130, 14400208, 18000260, 36000520, 72001040]

約数ペア:

[(1, 72001040), (2, 36000520), (4, 18000260), (5, 14400208), (8, 9000130), (10, 7200104), (16, 4500065), (20, 3600052), (23, 3130480), (40, 1800026), (46, 1565240), (80, 900013), (92, 782620), (109, 660560), (115, 626096), (184, 391310), (218, 330280), (230, 313048), (359, 200560), (368, 195655), (436, 165140), (460, 156524), (545, 132112), (718, 100280), (872, 82570), (920, 78262), (1090, 66056), (1436, 50140), (1744, 41285), (1795, 40112), (1840, 39131), (2180, 33028), (2507, 28720), (2872, 25070), (3590, 20056), (4360, 16514), (5014, 14360), (5744, 12535), (7180, 10028), (8257, 8720)]