31020368240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{658327}}^1$

素因数の和:658390

約数の個数: 80

約数和(自身を含む): 78367365120

約数和(自身を除く): 47346996880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 658327, 1316654, 2633308, 3291635, 5266616, 6583270, 10533232, 12508213, 13166540, 20408137, 25016426, 26333080, 40816274, 50032852, 52666160, 62541065, 81632548, 100065704, 102040685, 125082130, 163265096, 200131408, 204081370, 250164260, 326530192, 387754603, 408162740, 500328520, 775509206, 816325480, 1000657040, 1551018412, 1632650960, 1938773015, 3102036824, 3877546030, 6204073648, 7755092060, 15510184120, 31020368240]

約数ペア:

[(1, 31020368240), (2, 15510184120), (4, 7755092060), (5, 6204073648), (8, 3877546030), (10, 3102036824), (16, 1938773015), (19, 1632650960), (20, 1551018412), (31, 1000657040), (38, 816325480), (40, 775509206), (62, 500328520), (76, 408162740), (80, 387754603), (95, 326530192), (124, 250164260), (152, 204081370), (155, 200131408), (190, 163265096), (248, 125082130), (304, 102040685), (310, 100065704), (380, 81632548), (496, 62541065), (589, 52666160), (620, 50032852), (760, 40816274), (1178, 26333080), (1240, 25016426), (1520, 20408137), (2356, 13166540), (2480, 12508213), (2945, 10533232), (4712, 6583270), (5890, 5266616), (9424, 3291635), (11780, 2633308), (23560, 1316654), (47120, 658327)]