77967640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 186040800

約数和(自身を除く): 108073160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 593, 692, 760, 865, 1186, 1384, 1730, 2372, 2965, 3287, 3460, 4744, 5930, 6574, 6920, 11267, 11860, 13148, 16435, 22534, 23720, 26296, 32870, 45068, 56335, 65740, 90136, 102589, 112670, 131480, 205178, 225340, 410356, 450680, 512945, 820712, 1025890, 1949191, 2051780, 3898382, 4103560, 7796764, 9745955, 15593528, 19491910, 38983820, 77967640]

約数ペア:

[(1, 77967640), (2, 38983820), (4, 19491910), (5, 15593528), (8, 9745955), (10, 7796764), (19, 4103560), (20, 3898382), (38, 2051780), (40, 1949191), (76, 1025890), (95, 820712), (152, 512945), (173, 450680), (190, 410356), (346, 225340), (380, 205178), (593, 131480), (692, 112670), (760, 102589), (865, 90136), (1186, 65740), (1384, 56335), (1730, 45068), (2372, 32870), (2965, 26296), (3287, 23720), (3460, 22534), (4744, 16435), (5930, 13148), (6574, 11860), (6920, 11267)]